20673400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{9397}}^1$

素因数の和:9424

約数の個数: 48

約数和(自身を含む): 52440840

約数和(自身を除く): 31767440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 9397, 18794, 37588, 46985, 75176, 93970, 103367, 187940, 206734, 234925, 375880, 413468, 469850, 516835, 826936, 939700, 1033670, 1879400, 2067340, 2584175, 4134680, 5168350, 10336700, 20673400]

約数ペア:

[(1, 20673400), (2, 10336700), (4, 5168350), (5, 4134680), (8, 2584175), (10, 2067340), (11, 1879400), (20, 1033670), (22, 939700), (25, 826936), (40, 516835), (44, 469850), (50, 413468), (55, 375880), (88, 234925), (100, 206734), (110, 187940), (200, 103367), (220, 93970), (275, 75176), (440, 46985), (550, 37588), (1100, 18794), (2200, 9397)]