23317820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{16421}}^1$

素因数の和:16501

約数の個数: 24

約数和(自身を含む): 49660128

約数和(自身を除く): 26342308

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 16421, 32842, 65684, 82105, 164210, 328420, 1165891, 2331782, 4663564, 5829455, 11658910, 23317820]

約数ペア:

[(1, 23317820), (2, 11658910), (4, 5829455), (5, 4663564), (10, 2331782), (20, 1165891), (71, 328420), (142, 164210), (284, 82105), (355, 65684), (710, 32842), (1420, 16421)]