20155742456

素因数分解:

$2^3\times {\mathrm{641}}^1\times {\mathrm{3930527}}^1$

素因数の和:3931174

約数の個数: 16

約数和(自身を含む): 37850984640

約数和(自身を除く): 17695242184

約数列:

[1, 2, 4, 8, 641, 1282, 2564, 5128, 3930527, 7861054, 15722108, 31444216, 2519467807, 5038935614, 10077871228, 20155742456]

約数ペア:

[(1, 20155742456), (2, 10077871228), (4, 5038935614), (8, 2519467807), (641, 31444216), (1282, 15722108), (2564, 7861054), (5128, 3930527)]