20442578

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1951}}^1$

素因数の和:2010

約数の個数: 24

約数和(自身を含む): 34292736

約数和(自身を除く): 13850158

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 1951, 3902, 5239, 10478, 25363, 50726, 60481, 120962, 329719, 659438, 786253, 1572506, 10221289, 20442578]

約数ペア:

[(1, 20442578), (2, 10221289), (13, 1572506), (26, 786253), (31, 659438), (62, 329719), (169, 120962), (338, 60481), (403, 50726), (806, 25363), (1951, 10478), (3902, 5239)]