20106172

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{647}}^1$

素因数の和:1125

約数の個数: 24

約数和(自身を含む): 37394784

約数和(自身を除く): 17288612

約数列:

[1, 2, 4, 17, 34, 68, 457, 647, 914, 1294, 1828, 2588, 7769, 10999, 15538, 21998, 31076, 43996, 295679, 591358, 1182716, 5026543, 10053086, 20106172]

約数ペア:

[(1, 20106172), (2, 10053086), (4, 5026543), (17, 1182716), (34, 591358), (68, 295679), (457, 43996), (647, 31076), (914, 21998), (1294, 15538), (1828, 10999), (2588, 7769)]