20945228

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{311}}^1$

素因数の和:577

約数の個数: 24

約数和(自身を含む): 37346400

約数和(自身を除く): 16401172

約数列:

[1, 2, 4, 113, 149, 226, 298, 311, 452, 596, 622, 1244, 16837, 33674, 35143, 46339, 67348, 70286, 92678, 140572, 185356, 5236307, 10472614, 20945228]

約数ペア:

[(1, 20945228), (2, 10472614), (4, 5236307), (113, 185356), (149, 140572), (226, 92678), (298, 70286), (311, 67348), (452, 46339), (596, 35143), (622, 33674), (1244, 16837)]