31481020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{68437}}^1$

素因数の和:68469

約数の個数: 24

約数和(自身を含む): 68985504

約数和(自身を除く): 37504484

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 68437, 136874, 273748, 342185, 684370, 1368740, 1574051, 3148102, 6296204, 7870255, 15740510, 31481020]

約数ペア:

[(1, 31481020), (2, 15740510), (4, 7870255), (5, 6296204), (10, 3148102), (20, 1574051), (23, 1368740), (46, 684370), (92, 342185), (115, 273748), (230, 136874), (460, 68437)]