20660066

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{12401}}^1$

素因数の和:12434

約数の個数: 24

約数和(自身を含む): 38173356

約数和(自身を除く): 17513290

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 833, 1666, 12401, 24802, 86807, 173614, 210817, 421634, 607649, 1215298, 1475719, 2951438, 10330033, 20660066]

約数ペア:

[(1, 20660066), (2, 10330033), (7, 2951438), (14, 1475719), (17, 1215298), (34, 607649), (49, 421634), (98, 210817), (119, 173614), (238, 86807), (833, 24802), (1666, 12401)]