20155590

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:163

約数の個数: 192

約数和(自身を含む): 67931136

約数和(自身を除く): 47775546

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 23, 26, 30, 35, 39, 42, 45, 46, 63, 65, 69, 70, 78, 90, 91, 105, 107, 115, 117, 126, 130, 138, 161, 182, 195, 207, 210, 214, 230, 234, 273, 299, 315, 321, 322, 345, 390, 414, 455, 483, 535, 546, 585, 598, 630, 642, 690, 749, 805, 819, 897, 910, 963, 966, 1035, 1070, 1170, 1365, 1391, 1449, 1495, 1498, 1605, 1610, 1638, 1794, 1926, 2070, 2093, 2247, 2415, 2461, 2691, 2730, 2782, 2898, 2990, 3210, 3745, 4095, 4173, 4186, 4485, 4494, 4815, 4830, 4922, 5382, 6279, 6741, 6955, 7245, 7383, 7490, 8190, 8346, 8970, 9630, 9737, 10465, 11235, 12305, 12519, 12558, 13455, 13482, 13910, 14490, 14766, 17227, 18837, 19474, 20865, 20930, 22149, 22470, 24610, 25038, 26910, 29211, 31395, 31993, 33705, 34454, 36915, 37674, 41730, 44298, 48685, 51681, 58422, 62595, 62790, 63986, 67410, 73830, 86135, 87633, 94185, 95979, 97370, 103362, 110745, 125190, 146055, 155043, 159965, 172270, 175266, 188370, 191958, 221490, 223951, 258405, 287937, 292110, 310086, 319930, 438165, 447902, 479895, 516810, 575874, 671853, 775215, 876330, 959790, 1119755, 1343706, 1439685, 1550430, 2015559, 2239510, 2879370, 3359265, 4031118, 6718530, 10077795, 20155590]

約数ペア:

[(1, 20155590), (2, 10077795), (3, 6718530), (5, 4031118), (6, 3359265), (7, 2879370), (9, 2239510), (10, 2015559), (13, 1550430), (14, 1439685), (15, 1343706), (18, 1119755), (21, 959790), (23, 876330), (26, 775215), (30, 671853), (35, 575874), (39, 516810), (42, 479895), (45, 447902), (46, 438165), (63, 319930), (65, 310086), (69, 292110), (70, 287937), (78, 258405), (90, 223951), (91, 221490), (105, 191958), (107, 188370), (115, 175266), (117, 172270), (126, 159965), (130, 155043), (138, 146055), (161, 125190), (182, 110745), (195, 103362), (207, 97370), (210, 95979), (214, 94185), (230, 87633), (234, 86135), (273, 73830), (299, 67410), (315, 63986), (321, 62790), (322, 62595), (345, 58422), (390, 51681), (414, 48685), (455, 44298), (483, 41730), (535, 37674), (546, 36915), (585, 34454), (598, 33705), (630, 31993), (642, 31395), (690, 29211), (749, 26910), (805, 25038), (819, 24610), (897, 22470), (910, 22149), (963, 20930), (966, 20865), (1035, 19474), (1070, 18837), (1170, 17227), (1365, 14766), (1391, 14490), (1449, 13910), (1495, 13482), (1498, 13455), (1605, 12558), (1610, 12519), (1638, 12305), (1794, 11235), (1926, 10465), (2070, 9737), (2093, 9630), (2247, 8970), (2415, 8346), (2461, 8190), (2691, 7490), (2730, 7383), (2782, 7245), (2898, 6955), (2990, 6741), (3210, 6279), (3745, 5382), (4095, 4922), (4173, 4830), (4186, 4815), (4485, 4494)]