42320020

素因数分解:

$2^2\times 5^1\times {\mathrm{1423}}^1\times {\mathrm{1487}}^1$

素因数の和:2919

約数の個数: 24

約数和(自身を含む): 88994304

約数和(自身を除く): 46674284

約数列:

[1, 2, 4, 5, 10, 20, 1423, 1487, 2846, 2974, 5692, 5948, 7115, 7435, 14230, 14870, 28460, 29740, 2116001, 4232002, 8464004, 10580005, 21160010, 42320020]

約数ペア:

[(1, 42320020), (2, 21160010), (4, 10580005), (5, 8464004), (10, 4232002), (20, 2116001), (1423, 29740), (1487, 28460), (2846, 14870), (2974, 14230), (5692, 7435), (5948, 7115)]