20876634140

素因数分解:

$2^2\times 5^1\times {\mathrm{3271}}^1\times {\mathrm{319117}}^1$

素因数の和:322397

約数の個数: 24

約数和(自身を含む): 43854472032

約数和(自身を除く): 22977837892

約数列:

[1, 2, 4, 5, 10, 20, 3271, 6542, 13084, 16355, 32710, 65420, 319117, 638234, 1276468, 1595585, 3191170, 6382340, 1043831707, 2087663414, 4175326828, 5219158535, 10438317070, 20876634140]

約数ペア:

[(1, 20876634140), (2, 10438317070), (4, 5219158535), (5, 4175326828), (10, 2087663414), (20, 1043831707), (3271, 6382340), (6542, 3191170), (13084, 1595585), (16355, 1276468), (32710, 638234), (65420, 319117)]