20804948948

素因数分解:

$2^2\times 7^1\times {\mathrm{2309}}^1\times {\mathrm{321799}}^1$

素因数の和:324119

約数の個数: 24

約数和(自身を含む): 41628048000

約数和(自身を除く): 20823099052

約数列:

[1, 2, 4, 7, 14, 28, 2309, 4618, 9236, 16163, 32326, 64652, 321799, 643598, 1287196, 2252593, 4505186, 9010372, 743033891, 1486067782, 2972135564, 5201237237, 10402474474, 20804948948]

約数ペア:

[(1, 20804948948), (2, 10402474474), (4, 5201237237), (7, 2972135564), (14, 1486067782), (28, 743033891), (2309, 9010372), (4618, 4505186), (9236, 2252593), (16163, 1287196), (32326, 643598), (64652, 321799)]