20361899880

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{28961}}^1$

素因数の和:29022

約数の個数: 320

約数和(自身を含む): 80741422080

約数和(自身を除く): 60379522200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 54, 56, 60, 62, 63, 70, 72, 81, 84, 90, 93, 105, 108, 120, 124, 126, 135, 140, 155, 162, 168, 180, 186, 189, 210, 216, 217, 248, 252, 270, 279, 280, 310, 315, 324, 360, 372, 378, 405, 420, 434, 465, 504, 540, 558, 567, 620, 630, 648, 651, 744, 756, 810, 837, 840, 868, 930, 945, 1080, 1085, 1116, 1134, 1240, 1260, 1302, 1395, 1512, 1620, 1674, 1736, 1860, 1890, 1953, 2170, 2232, 2268, 2511, 2520, 2604, 2790, 2835, 3240, 3255, 3348, 3720, 3780, 3906, 4185, 4340, 4536, 5022, 5208, 5580, 5670, 5859, 6510, 6696, 7560, 7812, 8370, 8680, 9765, 10044, 11160, 11340, 11718, 12555, 13020, 15624, 16740, 17577, 19530, 20088, 22680, 23436, 25110, 26040, 28961, 29295, 33480, 35154, 39060, 46872, 50220, 57922, 58590, 70308, 78120, 86883, 87885, 100440, 115844, 117180, 140616, 144805, 173766, 175770, 202727, 231688, 234360, 260649, 289610, 347532, 351540, 405454, 434415, 521298, 579220, 608181, 695064, 703080, 781947, 810908, 868830, 897791, 1013635, 1042596, 1158440, 1216362, 1303245, 1563894, 1621816, 1737660, 1795582, 1824543, 2027270, 2085192, 2345841, 2432724, 2606490, 2693373, 3040905, 3127788, 3475320, 3591164, 3649086, 3909735, 4054540, 4488955, 4691682, 4865448, 5212980, 5386746, 5473629, 6081810, 6255576, 6284537, 7182328, 7298172, 7819470, 8080119, 8109080, 8977910, 9122715, 9383364, 10425960, 10773492, 10947258, 11729205, 12163620, 12569074, 13466865, 14596344, 15638940, 16160238, 16420887, 17955820, 18245430, 18766728, 18853611, 21546984, 21894516, 23458410, 24240357, 24327240, 25138148, 26933730, 27368145, 31277880, 31422685, 32320476, 32841774, 35911640, 36490860, 37707222, 40400595, 43789032, 46916820, 48480714, 50276296, 53867460, 54736290, 56560833, 62845370, 64640952, 65683548, 72721071, 72981720, 75414444, 80801190, 82104435, 93833640, 94268055, 96961428, 107734920, 109472580, 113121666, 121201785, 125690740, 131367096, 145442142, 150828888, 161602380, 164208870, 169682499, 188536110, 193922856, 218945160, 226243332, 242403570, 251381480, 282804165, 290884284, 323204760, 328417740, 339364998, 363605355, 377072220, 452486664, 484807140, 509047497, 565608330, 581768568, 656835480, 678729996, 727210710, 754144440, 848412495, 969614280, 1018094994, 1131216660, 1357459992, 1454421420, 1696824990, 2036189988, 2262433320, 2545237485, 2908842840, 3393649980, 4072379976, 5090474970, 6787299960, 10180949940, 20361899880]

約数ペア:

[(1, 20361899880), (2, 10180949940), (3, 6787299960), (4, 5090474970), (5, 4072379976), (6, 3393649980), (7, 2908842840), (8, 2545237485), (9, 2262433320), (10, 2036189988), (12, 1696824990), (14, 1454421420), (15, 1357459992), (18, 1131216660), (20, 1018094994), (21, 969614280), (24, 848412495), (27, 754144440), (28, 727210710), (30, 678729996), (31, 656835480), (35, 581768568), (36, 565608330), (40, 509047497), (42, 484807140), (45, 452486664), (54, 377072220), (56, 363605355), (60, 339364998), (62, 328417740), (63, 323204760), (70, 290884284), (72, 282804165), (81, 251381480), (84, 242403570), (90, 226243332), (93, 218945160), (105, 193922856), (108, 188536110), (120, 169682499), (124, 164208870), (126, 161602380), (135, 150828888), (140, 145442142), (155, 131367096), (162, 125690740), (168, 121201785), (180, 113121666), (186, 109472580), (189, 107734920), (210, 96961428), (216, 94268055), (217, 93833640), (248, 82104435), (252, 80801190), (270, 75414444), (279, 72981720), (280, 72721071), (310, 65683548), (315, 64640952), (324, 62845370), (360, 56560833), (372, 54736290), (378, 53867460), (405, 50276296), (420, 48480714), (434, 46916820), (465, 43789032), (504, 40400595), (540, 37707222), (558, 36490860), (567, 35911640), (620, 32841774), (630, 32320476), (648, 31422685), (651, 31277880), (744, 27368145), (756, 26933730), (810, 25138148), (837, 24327240), (840, 24240357), (868, 23458410), (930, 21894516), (945, 21546984), (1080, 18853611), (1085, 18766728), (1116, 18245430), (1134, 17955820), (1240, 16420887), (1260, 16160238), (1302, 15638940), (1395, 14596344), (1512, 13466865), (1620, 12569074), (1674, 12163620), (1736, 11729205), (1860, 10947258), (1890, 10773492), (1953, 10425960), (2170, 9383364), (2232, 9122715), (2268, 8977910), (2511, 8109080), (2520, 8080119), (2604, 7819470), (2790, 7298172), (2835, 7182328), (3240, 6284537), (3255, 6255576), (3348, 6081810), (3720, 5473629), (3780, 5386746), (3906, 5212980), (4185, 4865448), (4340, 4691682), (4536, 4488955), (5022, 4054540), (5208, 3909735), (5580, 3649086), (5670, 3591164), (5859, 3475320), (6510, 3127788), (6696, 3040905), (7560, 2693373), (7812, 2606490), (8370, 2432724), (8680, 2345841), (9765, 2085192), (10044, 2027270), (11160, 1824543), (11340, 1795582), (11718, 1737660), (12555, 1621816), (13020, 1563894), (15624, 1303245), (16740, 1216362), (17577, 1158440), (19530, 1042596), (20088, 1013635), (22680, 897791), (23436, 868830), (25110, 810908), (26040, 781947), (28961, 703080), (29295, 695064), (33480, 608181), (35154, 579220), (39060, 521298), (46872, 434415), (50220, 405454), (57922, 351540), (58590, 347532), (70308, 289610), (78120, 260649), (86883, 234360), (87885, 231688), (100440, 202727), (115844, 175770), (117180, 173766), (140616, 144805)]