20724649

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{307}}^1$

素因数の和:373

約数の個数: 24

約数和(自身を含む): 25347168

約数和(自身を除く): 4622519

約数列:

[1, 11, 17, 19, 187, 209, 307, 323, 361, 3377, 3553, 3971, 5219, 5833, 6137, 57409, 64163, 67507, 99161, 110827, 1090771, 1219097, 1884059, 20724649]

約数ペア:

[(1, 20724649), (11, 1884059), (17, 1219097), (19, 1090771), (187, 110827), (209, 99161), (307, 67507), (323, 64163), (361, 57409), (3377, 6137), (3553, 5833), (3971, 5219)]