20171150890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{4472539}}^1$

素因数の和:4472598

約数の個数: 32

約数和(自身を含む): 40574882880

約数和(自身を除く): 20403731990

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4510, 4472539, 8945078, 22362695, 44725390, 49197929, 98395858, 183374099, 245989645, 366748198, 491979290, 916870495, 1833740990, 2017115089, 4034230178, 10085575445, 20171150890]

約数ペア:

[(1, 20171150890), (2, 10085575445), (5, 4034230178), (10, 2017115089), (11, 1833740990), (22, 916870495), (41, 491979290), (55, 366748198), (82, 245989645), (110, 183374099), (205, 98395858), (410, 49197929), (451, 44725390), (902, 22362695), (2255, 8945078), (4510, 4472539)]