20401082

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{3943}}^1$

素因数の和:4157

約数の個数: 16

約数和(自身を含む): 33129600

約数和(自身を除く): 12728518

約数列:

[1, 2, 13, 26, 199, 398, 2587, 3943, 5174, 7886, 51259, 102518, 784657, 1569314, 10200541, 20401082]

約数ペア:

[(1, 20401082), (2, 10200541), (13, 1569314), (26, 784657), (199, 102518), (398, 51259), (2587, 7886), (3943, 5174)]