20455328

素因数分解:

$2^5\times {\mathrm{101}}^1\times {\mathrm{6329}}^1$

素因数の和:6440

約数の個数: 24

約数和(自身を含む): 40676580

約数和(自身を除く): 20221252

約数列:

[1, 2, 4, 8, 16, 32, 101, 202, 404, 808, 1616, 3232, 6329, 12658, 25316, 50632, 101264, 202528, 639229, 1278458, 2556916, 5113832, 10227664, 20455328]

約数ペア:

[(1, 20455328), (2, 10227664), (4, 5113832), (8, 2556916), (16, 1278458), (32, 639229), (101, 202528), (202, 101264), (404, 50632), (808, 25316), (1616, 12658), (3232, 6329)]