20564770

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{70913}}^1$

素因数の和:70949

約数の個数: 16

約数和(自身を含む): 38293560

約数和(自身を除く): 17728790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 70913, 141826, 354565, 709130, 2056477, 4112954, 10282385, 20564770]

約数ペア:

[(1, 20564770), (2, 10282385), (5, 4112954), (10, 2056477), (29, 709130), (58, 354565), (145, 141826), (290, 70913)]