20180756

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{71059}}^1$

素因数の和:71134

約数の個数: 12

約数和(自身を含む): 35814240

約数和(自身を除く): 15633484

約数列:

[1, 2, 4, 71, 142, 284, 71059, 142118, 284236, 5045189, 10090378, 20180756]

約数ペア:

[(1, 20180756), (2, 10090378), (4, 5045189), (71, 284236), (142, 142118), (284, 71059)]