20768077010

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{90295987}}^1$

素因数の和:90296017

約数の個数: 16

約数和(自身を含む): 39007866816

約数和(自身を除く): 18239789806

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 90295987, 180591974, 451479935, 902959870, 2076807701, 4153615402, 10384038505, 20768077010]

約数ペア:

[(1, 20768077010), (2, 10384038505), (5, 4153615402), (10, 2076807701), (23, 902959870), (46, 451479935), (115, 180591974), (230, 90295987)]