20619656

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{69661}}^1$

素因数の和:69704

約数の個数: 16

約数和(自身を含む): 39707340

約数和(自身を除く): 19087684

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 69661, 139322, 278644, 557288, 2577457, 5154914, 10309828, 20619656]

約数ペア:

[(1, 20619656), (2, 10309828), (4, 5154914), (8, 2577457), (37, 557288), (74, 278644), (148, 139322), (296, 69661)]