20139385

素因数分解:

$5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{5279}}^1$

素因数の和:5400

約数の個数: 16

約数和(自身を含む): 27878400

約数和(自身を除く): 7739015

約数列:

[1, 5, 7, 35, 109, 545, 763, 3815, 5279, 26395, 36953, 184765, 575411, 2877055, 4027877, 20139385]

約数ペア:

[(1, 20139385), (5, 4027877), (7, 2877055), (35, 575411), (109, 184765), (545, 36953), (763, 26395), (3815, 5279)]