20966110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8287}}^1$

素因数の和:8328

約数の個数: 32

約数和(自身を含む): 42964992

約数和(自身を除く): 21998882

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 8287, 16574, 41435, 82870, 91157, 182314, 190601, 381202, 455785, 911570, 953005, 1906010, 2096611, 4193222, 10483055, 20966110]

約数ペア:

[(1, 20966110), (2, 10483055), (5, 4193222), (10, 2096611), (11, 1906010), (22, 953005), (23, 911570), (46, 455785), (55, 381202), (110, 190601), (115, 182314), (230, 91157), (253, 82870), (506, 41435), (1265, 16574), (2530, 8287)]