20371938004

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{42090781}}^1$

素因数の和:42090807

約数の個数: 18

約数和(自身を含む): 39186518042

約数和(自身を除く): 18814580038

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 42090781, 84181562, 168363124, 462998591, 925997182, 1851994364, 5092984501, 10185969002, 20371938004]

約数ペア:

[(1, 20371938004), (2, 10185969002), (4, 5092984501), (11, 1851994364), (22, 925997182), (44, 462998591), (121, 168363124), (242, 84181562), (484, 42090781)]