20815630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17203}}^1$

素因数の和:17232

約数の個数: 24

約数和(自身を含む): 41186376

約数和(自身を除く): 20370746

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 17203, 34406, 86015, 172030, 189233, 378466, 946165, 1892330, 2081563, 4163126, 10407815, 20815630]

約数ペア:

[(1, 20815630), (2, 10407815), (5, 4163126), (10, 2081563), (11, 1892330), (22, 946165), (55, 378466), (110, 189233), (121, 172030), (242, 86015), (605, 34406), (1210, 17203)]