20962490

素因数分解:

$2^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{5531}}^1$

素因数の和:5917

約数の個数: 16

約数和(自身を含む): 37838880

約数和(自身を除く): 16876390

約数列:

[1, 2, 5, 10, 379, 758, 1895, 3790, 5531, 11062, 27655, 55310, 2096249, 4192498, 10481245, 20962490]

約数ペア:

[(1, 20962490), (2, 10481245), (5, 4192498), (10, 2096249), (379, 55310), (758, 27655), (1895, 11062), (3790, 5531)]