20795887310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2657}}^1\times {\mathrm{71153}}^1$

素因数の和:73828

約数の個数: 32

約数和(自身を含む): 40851503712

約数和(自身を除く): 20055616402

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 2657, 5314, 13285, 26570, 29227, 58454, 71153, 142306, 146135, 292270, 355765, 711530, 782683, 1565366, 3913415, 7826830, 189053521, 378107042, 945267605, 1890535210, 2079588731, 4159177462, 10397943655, 20795887310]

約数ペア:

[(1, 20795887310), (2, 10397943655), (5, 4159177462), (10, 2079588731), (11, 1890535210), (22, 945267605), (55, 378107042), (110, 189053521), (2657, 7826830), (5314, 3913415), (13285, 1565366), (26570, 782683), (29227, 711530), (58454, 355765), (71153, 292270), (142306, 146135)]