20077640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45631}}^1$

素因数の和:45653

約数の個数: 32

約数和(自身を含む): 49282560

約数和(自身を除く): 29204920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 45631, 91262, 182524, 228155, 365048, 456310, 501941, 912620, 1003882, 1825240, 2007764, 2509705, 4015528, 5019410, 10038820, 20077640]

約数ペア:

[(1, 20077640), (2, 10038820), (4, 5019410), (5, 4015528), (8, 2509705), (10, 2007764), (11, 1825240), (20, 1003882), (22, 912620), (40, 501941), (44, 456310), (55, 365048), (88, 228155), (110, 182524), (220, 91262), (440, 45631)]