20551157820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{12119}}^1\times {\mathrm{9421}}^1$

素因数の和:21555

約数の個数: 72

約数和(自身を含む): 62350273440

約数和(自身を除く): 41799115620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 9421, 12119, 18842, 24238, 28263, 36357, 37684, 47105, 48476, 56526, 60595, 72714, 84789, 94210, 109071, 113052, 121190, 141315, 145428, 169578, 181785, 188420, 218142, 242380, 282630, 339156, 363570, 423945, 436284, 545355, 565260, 727140, 847890, 1090710, 1695780, 2181420, 114173099, 228346198, 342519297, 456692396, 570865495, 685038594, 1027557891, 1141730990, 1370077188, 1712596485, 2055115782, 2283461980, 3425192970, 4110231564, 5137789455, 6850385940, 10275578910, 20551157820]

約数ペア:

[(1, 20551157820), (2, 10275578910), (3, 6850385940), (4, 5137789455), (5, 4110231564), (6, 3425192970), (9, 2283461980), (10, 2055115782), (12, 1712596485), (15, 1370077188), (18, 1141730990), (20, 1027557891), (30, 685038594), (36, 570865495), (45, 456692396), (60, 342519297), (90, 228346198), (180, 114173099), (9421, 2181420), (12119, 1695780), (18842, 1090710), (24238, 847890), (28263, 727140), (36357, 565260), (37684, 545355), (47105, 436284), (48476, 423945), (56526, 363570), (60595, 339156), (72714, 282630), (84789, 242380), (94210, 218142), (109071, 188420), (113052, 181785), (121190, 169578), (141315, 145428)]