20011160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1327}}^1$

素因数の和:1380

約数の個数: 64

約数和(自身を含む): 50198400

約数和(自身を除く): 30187240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 377, 520, 580, 754, 1160, 1327, 1508, 1885, 2654, 3016, 3770, 5308, 6635, 7540, 10616, 13270, 15080, 17251, 26540, 34502, 38483, 53080, 69004, 76966, 86255, 138008, 153932, 172510, 192415, 307864, 345020, 384830, 500279, 690040, 769660, 1000558, 1539320, 2001116, 2501395, 4002232, 5002790, 10005580, 20011160]

約数ペア:

[(1, 20011160), (2, 10005580), (4, 5002790), (5, 4002232), (8, 2501395), (10, 2001116), (13, 1539320), (20, 1000558), (26, 769660), (29, 690040), (40, 500279), (52, 384830), (58, 345020), (65, 307864), (104, 192415), (116, 172510), (130, 153932), (145, 138008), (232, 86255), (260, 76966), (290, 69004), (377, 53080), (520, 38483), (580, 34502), (754, 26540), (1160, 17251), (1327, 15080), (1508, 13270), (1885, 10616), (2654, 7540), (3016, 6635), (3770, 5308)]