22640390

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{20771}}^1$

素因数の和:20887

約数の個数: 16

約数和(自身を含む): 41128560

約数和(自身を除く): 18488170

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 20771, 41542, 103855, 207710, 2264039, 4528078, 11320195, 22640390]

約数ペア:

[(1, 22640390), (2, 11320195), (5, 4528078), (10, 2264039), (109, 207710), (218, 103855), (545, 41542), (1090, 20771)]