31889702

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{20107}}^1$

素因数の和:20183

約数の個数: 16

約数和(自身を含む): 52361232

約数和(自身を除く): 20471530

約数列:

[1, 2, 13, 26, 61, 122, 793, 1586, 20107, 40214, 261391, 522782, 1226527, 2453054, 15944851, 31889702]

約数ペア:

[(1, 31889702), (2, 15944851), (13, 2453054), (26, 1226527), (61, 522782), (122, 261391), (793, 40214), (1586, 20107)]