20405929681

素因数分解:

${\mathrm{19}}^3\times {\mathrm{37}}^1\times {\mathrm{80407}}^1$

素因数の和:80501

約数の個数: 16

約数和(自身を含む): 22121848960

約数和(自身を除く): 1715919279

約数列:

[1, 19, 37, 361, 703, 6859, 13357, 80407, 253783, 1527733, 2975059, 29026927, 56526121, 551511613, 1073996299, 20405929681]

約数ペア:

[(1, 20405929681), (19, 1073996299), (37, 551511613), (361, 56526121), (703, 29026927), (6859, 2975059), (13357, 1527733), (80407, 253783)]