20469455

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{3221}}^1$

素因数の和:3298

約数の個数: 16

約数和(自身を含む): 25982208

約数和(自身を除く): 5512753

約数列:

[1, 5, 31, 41, 155, 205, 1271, 3221, 6355, 16105, 99851, 132061, 499255, 660305, 4093891, 20469455]

約数ペア:

[(1, 20469455), (5, 4093891), (31, 660305), (41, 499255), (155, 132061), (205, 99851), (1271, 16105), (3221, 6355)]