20001170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{285731}}^1$

素因数の和:285745

約数の個数: 16

約数和(自身を含む): 41145408

約数和(自身を除く): 21144238

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 285731, 571462, 1428655, 2000117, 2857310, 4000234, 10000585, 20001170]

約数ペア:

[(1, 20001170), (2, 10000585), (5, 4000234), (7, 2857310), (10, 2000117), (14, 1428655), (35, 571462), (70, 285731)]