20011390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2251}}^1$

素因数の和:2392

約数の個数: 32

約数和(自身を含む): 41508864

約数和(自身を除く): 21497474

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 254, 635, 889, 1270, 1778, 2251, 4445, 4502, 8890, 11255, 15757, 22510, 31514, 78785, 157570, 285877, 571754, 1429385, 2001139, 2858770, 4002278, 10005695, 20011390]

約数ペア:

[(1, 20011390), (2, 10005695), (5, 4002278), (7, 2858770), (10, 2001139), (14, 1429385), (35, 571754), (70, 285877), (127, 157570), (254, 78785), (635, 31514), (889, 22510), (1270, 15757), (1778, 11255), (2251, 8890), (4445, 4502)]