20993282

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{1187}}^1$

素因数の和:1465

約数の個数: 16

約数和(自身を含む): 32503680

約数和(自身を除く): 11510398

約数列:

[1, 2, 37, 74, 239, 478, 1187, 2374, 8843, 17686, 43919, 87838, 283693, 567386, 10496641, 20993282]

約数ペア:

[(1, 20993282), (2, 10496641), (37, 567386), (74, 283693), (239, 87838), (478, 43919), (1187, 17686), (2374, 8843)]