20793520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23629}}^1$

素因数の和:23653

約数の個数: 40

約数和(自身を含む): 52742160

約数和(自身を除く): 31948640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 23629, 47258, 94516, 118145, 189032, 236290, 259919, 378064, 472580, 519838, 945160, 1039676, 1299595, 1890320, 2079352, 2599190, 4158704, 5198380, 10396760, 20793520]

約数ペア:

[(1, 20793520), (2, 10396760), (4, 5198380), (5, 4158704), (8, 2599190), (10, 2079352), (11, 1890320), (16, 1299595), (20, 1039676), (22, 945160), (40, 519838), (44, 472580), (55, 378064), (80, 259919), (88, 236290), (110, 189032), (176, 118145), (220, 94516), (440, 47258), (880, 23629)]