20457074

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{40429}}^1$

素因数の和:40465

約数の個数: 16

約数和(自身を含む): 34931520

約数和(自身を除く): 14474446

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 40429, 80858, 444719, 889438, 929867, 1859734, 10228537, 20457074]

約数ペア:

[(1, 20457074), (2, 10228537), (11, 1859734), (22, 929867), (23, 889438), (46, 444719), (253, 80858), (506, 40429)]