20941898

素因数分解:

$2^1\times {\mathrm{41}}^2\times {\mathrm{6229}}^1$

素因数の和:6313

約数の個数: 12

約数和(自身を含む): 32202870

約数和(自身を除く): 11260972

約数列:

[1, 2, 41, 82, 1681, 3362, 6229, 12458, 255389, 510778, 10470949, 20941898]

約数ペア:

[(1, 20941898), (2, 10470949), (41, 510778), (82, 255389), (1681, 12458), (3362, 6229)]