20370020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1747}}^1$

素因数の和:1820

約数の個数: 48

約数和(自身を含む): 47573568

約数和(自身を除く): 27203548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 530, 583, 1060, 1166, 1747, 2332, 2915, 3494, 5830, 6988, 8735, 11660, 17470, 19217, 34940, 38434, 76868, 92591, 96085, 185182, 192170, 370364, 384340, 462955, 925910, 1018501, 1851820, 2037002, 4074004, 5092505, 10185010, 20370020]

約数ペア:

[(1, 20370020), (2, 10185010), (4, 5092505), (5, 4074004), (10, 2037002), (11, 1851820), (20, 1018501), (22, 925910), (44, 462955), (53, 384340), (55, 370364), (106, 192170), (110, 185182), (212, 96085), (220, 92591), (265, 76868), (530, 38434), (583, 34940), (1060, 19217), (1166, 17470), (1747, 11660), (2332, 8735), (2915, 6988), (3494, 5830)]