20320852010

素因数分解:

$2^1\times 5^1\times {\mathrm{6311}}^1\times {\mathrm{321991}}^1$

素因数の和:328309

約数の個数: 16

約数和(自身を含む): 36583443072

約数和(自身を除く): 16262591062

約数列:

[1, 2, 5, 10, 6311, 12622, 31555, 63110, 321991, 643982, 1609955, 3219910, 2032085201, 4064170402, 10160426005, 20320852010]

約数ペア:

[(1, 20320852010), (2, 10160426005), (5, 4064170402), (10, 2032085201), (6311, 3219910), (12622, 1609955), (31555, 643982), (63110, 321991)]