20178382010

素因数分解:

$2^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{2457781}}^1$

素因数の和:2458609

約数の個数: 16

約数和(自身を含む): 36365342472

約数和(自身を除く): 16186960462

約数列:

[1, 2, 5, 10, 821, 1642, 4105, 8210, 2457781, 4915562, 12288905, 24577810, 2017838201, 4035676402, 10089191005, 20178382010]

約数ペア:

[(1, 20178382010), (2, 10089191005), (5, 4035676402), (10, 2017838201), (821, 24577810), (1642, 12288905), (4105, 4915562), (8210, 2457781)]