23381420

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2381}}^1$

素因数の和:2881

約数の個数: 24

約数和(自身を含む): 49221648

約数和(自身を除く): 25840228

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2381, 2455, 4762, 4910, 9524, 9820, 11905, 23810, 47620, 1169071, 2338142, 4676284, 5845355, 11690710, 23381420]

約数ペア:

[(1, 23381420), (2, 11690710), (4, 5845355), (5, 4676284), (10, 2338142), (20, 1169071), (491, 47620), (982, 23810), (1964, 11905), (2381, 9820), (2455, 9524), (4762, 4910)]