31880186

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{20101}}^1$

素因数の和:20177

約数の個数: 16

約数和(自身を含む): 52345608

約数和(自身を除く): 20465422

約数列:

[1, 2, 13, 26, 61, 122, 793, 1586, 20101, 40202, 261313, 522626, 1226161, 2452322, 15940093, 31880186]

約数ペア:

[(1, 31880186), (2, 15940093), (13, 2452322), (26, 1226161), (61, 522626), (122, 261313), (793, 40202), (1586, 20101)]