20218398730

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{15919999}}^1$

素因数の和:15920133

約数の個数: 16

約数和(自身を含む): 36679680000

約数和(自身を除く): 16461281270

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 15919999, 31839998, 79599995, 159199990, 2021839873, 4043679746, 10109199365, 20218398730]

約数ペア:

[(1, 20218398730), (2, 10109199365), (5, 4043679746), (10, 2021839873), (127, 159199990), (254, 79599995), (635, 31839998), (1270, 15919999)]