20953888

素因数分解:

$2^5\times {\mathrm{409}}^1\times {\mathrm{1601}}^1$

素因数の和:2020

約数の個数: 24

約数和(自身を含む): 41379660

約数和(自身を除く): 20425772

約数列:

[1, 2, 4, 8, 16, 32, 409, 818, 1601, 1636, 3202, 3272, 6404, 6544, 12808, 13088, 25616, 51232, 654809, 1309618, 2619236, 5238472, 10476944, 20953888]

約数ペア:

[(1, 20953888), (2, 10476944), (4, 5238472), (8, 2619236), (16, 1309618), (32, 654809), (409, 51232), (818, 25616), (1601, 13088), (1636, 12808), (3202, 6544), (3272, 6404)]