20959175640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{433399}}^1$

素因数の和:433457

約数の個数: 128

約数和(自身を含む): 69898752000

約数和(自身を除く): 48939576360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1560, 1612, 1860, 2015, 2418, 3224, 3720, 4030, 4836, 6045, 8060, 9672, 12090, 16120, 24180, 48360, 433399, 866798, 1300197, 1733596, 2166995, 2600394, 3467192, 4333990, 5200788, 5634187, 6500985, 8667980, 10401576, 11268374, 13001970, 13435369, 16902561, 17335960, 22536748, 26003940, 26870738, 28170935, 33805122, 40306107, 45073496, 52007880, 53741476, 56341870, 67176845, 67610244, 80612214, 84512805, 107482952, 112683740, 134353690, 135220488, 161224428, 169025610, 174659797, 201530535, 225367480, 268707380, 322448856, 338051220, 349319594, 403061070, 523979391, 537414760, 676102440, 698639188, 806122140, 873298985, 1047958782, 1397278376, 1612244280, 1746597970, 2095917564, 2619896955, 3493195940, 4191835128, 5239793910, 6986391880, 10479587820, 20959175640]

約数ペア:

[(1, 20959175640), (2, 10479587820), (3, 6986391880), (4, 5239793910), (5, 4191835128), (6, 3493195940), (8, 2619896955), (10, 2095917564), (12, 1746597970), (13, 1612244280), (15, 1397278376), (20, 1047958782), (24, 873298985), (26, 806122140), (30, 698639188), (31, 676102440), (39, 537414760), (40, 523979391), (52, 403061070), (60, 349319594), (62, 338051220), (65, 322448856), (78, 268707380), (93, 225367480), (104, 201530535), (120, 174659797), (124, 169025610), (130, 161224428), (155, 135220488), (156, 134353690), (186, 112683740), (195, 107482952), (248, 84512805), (260, 80612214), (310, 67610244), (312, 67176845), (372, 56341870), (390, 53741476), (403, 52007880), (465, 45073496), (520, 40306107), (620, 33805122), (744, 28170935), (780, 26870738), (806, 26003940), (930, 22536748), (1209, 17335960), (1240, 16902561), (1560, 13435369), (1612, 13001970), (1860, 11268374), (2015, 10401576), (2418, 8667980), (3224, 6500985), (3720, 5634187), (4030, 5200788), (4836, 4333990), (6045, 3467192), (8060, 2600394), (9672, 2166995), (12090, 1733596), (16120, 1300197), (24180, 866798), (48360, 433399)]