20179955880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{12377}}^1$

素因数の和:13048

約数の個数: 192

約数和(自身を含む): 75076035840

約数和(自身を除く): 54896079960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 647, 840, 1260, 1294, 1941, 2520, 2588, 3235, 3882, 4529, 5176, 5823, 6470, 7764, 9058, 9705, 11646, 12377, 12940, 13587, 15528, 18116, 19410, 22645, 23292, 24754, 25880, 27174, 29115, 36232, 37131, 38820, 40761, 45290, 46584, 49508, 54348, 58230, 61885, 67935, 74262, 77640, 81522, 86639, 90580, 99016, 108696, 111393, 116460, 123770, 135870, 148524, 163044, 173278, 181160, 185655, 203805, 222786, 232920, 247540, 259917, 271740, 297048, 326088, 346556, 371310, 407610, 433195, 445572, 495080, 519834, 543480, 556965, 693112, 742620, 779751, 815220, 866390, 891144, 1039668, 1113930, 1299585, 1485240, 1559502, 1630440, 1732780, 2079336, 2227860, 2599170, 3119004, 3465560, 3898755, 4455720, 5198340, 6238008, 7797510, 8007919, 10396680, 15595020, 16015838, 24023757, 31190040, 32031676, 40039595, 48047514, 56055433, 64063352, 72071271, 80079190, 96095028, 112110866, 120118785, 144142542, 160158380, 168166299, 192190056, 224221732, 240237570, 280277165, 288285084, 320316760, 336332598, 360356355, 448443464, 480475140, 504498897, 560554330, 576570168, 672665196, 720712710, 840831495, 960950280, 1008997794, 1121108660, 1345330392, 1441425420, 1681662990, 2017995588, 2242217320, 2522494485, 2882850840, 3363325980, 4035991176, 5044988970, 6726651960, 10089977940, 20179955880]

約数ペア:

[(1, 20179955880), (2, 10089977940), (3, 6726651960), (4, 5044988970), (5, 4035991176), (6, 3363325980), (7, 2882850840), (8, 2522494485), (9, 2242217320), (10, 2017995588), (12, 1681662990), (14, 1441425420), (15, 1345330392), (18, 1121108660), (20, 1008997794), (21, 960950280), (24, 840831495), (28, 720712710), (30, 672665196), (35, 576570168), (36, 560554330), (40, 504498897), (42, 480475140), (45, 448443464), (56, 360356355), (60, 336332598), (63, 320316760), (70, 288285084), (72, 280277165), (84, 240237570), (90, 224221732), (105, 192190056), (120, 168166299), (126, 160158380), (140, 144142542), (168, 120118785), (180, 112110866), (210, 96095028), (252, 80079190), (280, 72071271), (315, 64063352), (360, 56055433), (420, 48047514), (504, 40039595), (630, 32031676), (647, 31190040), (840, 24023757), (1260, 16015838), (1294, 15595020), (1941, 10396680), (2520, 8007919), (2588, 7797510), (3235, 6238008), (3882, 5198340), (4529, 4455720), (5176, 3898755), (5823, 3465560), (6470, 3119004), (7764, 2599170), (9058, 2227860), (9705, 2079336), (11646, 1732780), (12377, 1630440), (12940, 1559502), (13587, 1485240), (15528, 1299585), (18116, 1113930), (19410, 1039668), (22645, 891144), (23292, 866390), (24754, 815220), (25880, 779751), (27174, 742620), (29115, 693112), (36232, 556965), (37131, 543480), (38820, 519834), (40761, 495080), (45290, 445572), (46584, 433195), (49508, 407610), (54348, 371310), (58230, 346556), (61885, 326088), (67935, 297048), (74262, 271740), (77640, 259917), (81522, 247540), (86639, 232920), (90580, 222786), (99016, 203805), (108696, 185655), (111393, 181160), (116460, 173278), (123770, 163044), (135870, 148524)]