20159810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16661}}^1$

素因数の和:16690

約数の個数: 24

約数和(自身を含む): 39888828

約数和(自身を除く): 19729018

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 16661, 33322, 83305, 166610, 183271, 366542, 916355, 1832710, 2015981, 4031962, 10079905, 20159810]

約数ペア:

[(1, 20159810), (2, 10079905), (5, 4031962), (10, 2015981), (11, 1832710), (22, 916355), (55, 366542), (110, 183271), (121, 166610), (242, 83305), (605, 33322), (1210, 16661)]