20163205928

素因数分解:

$2^3\times {\mathrm{409}}^1\times {\mathrm{6162349}}^1$

素因数の和:6162764

約数の個数: 16

約数和(自身を含む): 37898452500

約数和(自身を除く): 17735246572

約数列:

[1, 2, 4, 8, 409, 818, 1636, 3272, 6162349, 12324698, 24649396, 49298792, 2520400741, 5040801482, 10081602964, 20163205928]

約数ペア:

[(1, 20163205928), (2, 10081602964), (4, 5040801482), (8, 2520400741), (409, 49298792), (818, 24649396), (1636, 12324698), (3272, 6162349)]