20538364

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{66683}}^1$

素因数の和:66705

約数の個数: 24

約数和(自身を含む): 44811648

約数和(自身を除く): 24273284

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 66683, 133366, 266732, 466781, 733513, 933562, 1467026, 1867124, 2934052, 5134591, 10269182, 20538364]

約数ペア:

[(1, 20538364), (2, 10269182), (4, 5134591), (7, 2934052), (11, 1867124), (14, 1467026), (22, 933562), (28, 733513), (44, 466781), (77, 266732), (154, 133366), (308, 66683)]