20142490

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{337}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 37477440

約数和(自身を除く): 17334950

約数列:

[1, 2, 5, 10, 43, 86, 139, 215, 278, 337, 430, 674, 695, 1390, 1685, 3370, 5977, 11954, 14491, 28982, 29885, 46843, 59770, 72455, 93686, 144910, 234215, 468430, 2014249, 4028498, 10071245, 20142490]

約数ペア:

[(1, 20142490), (2, 10071245), (5, 4028498), (10, 2014249), (43, 468430), (86, 234215), (139, 144910), (215, 93686), (278, 72455), (337, 59770), (430, 46843), (674, 29885), (695, 28982), (1390, 14491), (1685, 11954), (3370, 5977)]