22398020

素因数分解:

$2^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{1423}}^1$

素因数の和:2219

約数の個数: 24

約数和(自身を含む): 47128704

約数和(自身を除く): 24730684

約数列:

[1, 2, 4, 5, 10, 20, 787, 1423, 1574, 2846, 3148, 3935, 5692, 7115, 7870, 14230, 15740, 28460, 1119901, 2239802, 4479604, 5599505, 11199010, 22398020]

約数ペア:

[(1, 22398020), (2, 11199010), (4, 5599505), (5, 4479604), (10, 2239802), (20, 1119901), (787, 28460), (1423, 15740), (1574, 14230), (2846, 7870), (3148, 7115), (3935, 5692)]