20751848

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{15349}}^1$

素因数の和:15381

約数の個数: 24

約数和(自身を含む): 42135750

約数和(自身を除く): 21383902

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 15349, 30698, 61396, 122792, 199537, 399074, 798148, 1596296, 2593981, 5187962, 10375924, 20751848]

約数ペア:

[(1, 20751848), (2, 10375924), (4, 5187962), (8, 2593981), (13, 1596296), (26, 798148), (52, 399074), (104, 199537), (169, 122792), (338, 61396), (676, 30698), (1352, 15349)]