20591090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{158393}}^1$

素因数の和:158413

約数の個数: 16

約数和(自身を含む): 39915288

約数和(自身を除く): 19324198

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 158393, 316786, 791965, 1583930, 2059109, 4118218, 10295545, 20591090]

約数ペア:

[(1, 20591090), (2, 10295545), (5, 4118218), (10, 2059109), (13, 1583930), (26, 791965), (65, 316786), (130, 158393)]