20221690

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{22721}}^1$

素因数の和:22817

約数の個数: 16

約数和(自身を含む): 36809640

約数和(自身を除く): 16587950

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 22721, 45442, 113605, 227210, 2022169, 4044338, 10110845, 20221690]

約数ペア:

[(1, 20221690), (2, 10110845), (5, 4044338), (10, 2022169), (89, 227210), (178, 113605), (445, 45442), (890, 22721)]