20731261826

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1087}}^1\times {\mathrm{866909}}^1$

素因数の和:868009

約数の個数: 16

約数和(自身を含む): 33955130880

約数和(自身を除く): 13223869054

約数列:

[1, 2, 11, 22, 1087, 2174, 11957, 23914, 866909, 1733818, 9535999, 19071998, 942330083, 1884660166, 10365630913, 20731261826]

約数ペア:

[(1, 20731261826), (2, 10365630913), (11, 1884660166), (22, 942330083), (1087, 19071998), (2174, 9535999), (11957, 1733818), (23914, 866909)]