20548111920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{394549}}^1$

素因数の和:394603

約数の個数: 160

約数和(自身を含む): 75147571200

約数和(自身を除く): 54599459280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 496, 560, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1488, 1680, 1736, 1860, 2170, 2480, 2604, 3255, 3472, 3720, 4340, 5208, 6510, 7440, 8680, 10416, 13020, 17360, 26040, 52080, 394549, 789098, 1183647, 1578196, 1972745, 2367294, 2761843, 3156392, 3945490, 4734588, 5523686, 5918235, 6312784, 7890980, 8285529, 9469176, 11047372, 11836470, 12231019, 13809215, 15781960, 16571058, 18938352, 22094744, 23672940, 24462038, 27618430, 31563920, 33142116, 36693057, 41427645, 44189488, 47345880, 48924076, 55236860, 61155095, 66284232, 73386114, 82855290, 85617133, 94691760, 97848152, 110473720, 122310190, 132568464, 146772228, 165710580, 171234266, 183465285, 195696304, 220947440, 244620380, 256851399, 293544456, 331421160, 342468532, 366930570, 428085665, 489240760, 513702798, 587088912, 662842320, 684937064, 733861140, 856171330, 978481520, 1027405596, 1284256995, 1369874128, 1467722280, 1712342660, 2054811192, 2568513990, 2935444560, 3424685320, 4109622384, 5137027980, 6849370640, 10274055960, 20548111920]

約数ペア:

[(1, 20548111920), (2, 10274055960), (3, 6849370640), (4, 5137027980), (5, 4109622384), (6, 3424685320), (7, 2935444560), (8, 2568513990), (10, 2054811192), (12, 1712342660), (14, 1467722280), (15, 1369874128), (16, 1284256995), (20, 1027405596), (21, 978481520), (24, 856171330), (28, 733861140), (30, 684937064), (31, 662842320), (35, 587088912), (40, 513702798), (42, 489240760), (48, 428085665), (56, 366930570), (60, 342468532), (62, 331421160), (70, 293544456), (80, 256851399), (84, 244620380), (93, 220947440), (105, 195696304), (112, 183465285), (120, 171234266), (124, 165710580), (140, 146772228), (155, 132568464), (168, 122310190), (186, 110473720), (210, 97848152), (217, 94691760), (240, 85617133), (248, 82855290), (280, 73386114), (310, 66284232), (336, 61155095), (372, 55236860), (420, 48924076), (434, 47345880), (465, 44189488), (496, 41427645), (560, 36693057), (620, 33142116), (651, 31563920), (744, 27618430), (840, 24462038), (868, 23672940), (930, 22094744), (1085, 18938352), (1240, 16571058), (1302, 15781960), (1488, 13809215), (1680, 12231019), (1736, 11836470), (1860, 11047372), (2170, 9469176), (2480, 8285529), (2604, 7890980), (3255, 6312784), (3472, 5918235), (3720, 5523686), (4340, 4734588), (5208, 3945490), (6510, 3156392), (7440, 2761843), (8680, 2367294), (10416, 1972745), (13020, 1578196), (17360, 1183647), (26040, 789098), (52080, 394549)]