20698554

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{661}}^1$

素因数の和:990

約数の個数: 32

約数和(自身を含む): 44041536

約数和(自身を除く): 23342982

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 307, 614, 661, 921, 1322, 1842, 1983, 3966, 5219, 10438, 11237, 15657, 22474, 31314, 33711, 67422, 202927, 405854, 608781, 1217562, 3449759, 6899518, 10349277, 20698554]

約数ペア:

[(1, 20698554), (2, 10349277), (3, 6899518), (6, 3449759), (17, 1217562), (34, 608781), (51, 405854), (102, 202927), (307, 67422), (614, 33711), (661, 31314), (921, 22474), (1322, 15657), (1842, 11237), (1983, 10438), (3966, 5219)]