20199018155

素因数分解:

$5^1\times {\mathrm{6311}}^1\times {\mathrm{640121}}^1$

素因数の和:646437

約数の個数: 8

約数和(自身を含む): 24242700384

約数和(自身を除く): 4043682229

約数列:

[1, 5, 6311, 31555, 640121, 3200605, 4039803631, 20199018155]

約数ペア:

[(1, 20199018155), (5, 4039803631), (6311, 3200605), (31555, 640121)]