20778858730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{59167}}^1$

素因数の和:59383

約数の個数: 64

約数和(自身を含む): 44475402240

約数和(自身を除く): 23696543510

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 173, 203, 290, 346, 406, 865, 1015, 1211, 1730, 2030, 2422, 5017, 6055, 10034, 12110, 25085, 35119, 50170, 59167, 70238, 118334, 175595, 295835, 351190, 414169, 591670, 828338, 1715843, 2070845, 3431686, 4141690, 8579215, 10235891, 12010901, 17158430, 20471782, 24021802, 51179455, 60054505, 71651237, 102358910, 120109010, 143302474, 296840839, 358256185, 593681678, 716512370, 1484204195, 2077885873, 2968408390, 4155771746, 10389429365, 20778858730]

約数ペア:

[(1, 20778858730), (2, 10389429365), (5, 4155771746), (7, 2968408390), (10, 2077885873), (14, 1484204195), (29, 716512370), (35, 593681678), (58, 358256185), (70, 296840839), (145, 143302474), (173, 120109010), (203, 102358910), (290, 71651237), (346, 60054505), (406, 51179455), (865, 24021802), (1015, 20471782), (1211, 17158430), (1730, 12010901), (2030, 10235891), (2422, 8579215), (5017, 4141690), (6055, 3431686), (10034, 2070845), (12110, 1715843), (25085, 828338), (35119, 591670), (50170, 414169), (59167, 351190), (70238, 295835), (118334, 175595)]