20105404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{19867}}^1$

素因数の和:19905

約数の個数: 24

約数和(自身を含む): 40053888

約数和(自身を除く): 19948484

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 19867, 39734, 79468, 218537, 437074, 456941, 874148, 913882, 1827764, 5026351, 10052702, 20105404]

約数ペア:

[(1, 20105404), (2, 10052702), (4, 5026351), (11, 1827764), (22, 913882), (23, 874148), (44, 456941), (46, 437074), (92, 218537), (253, 79468), (506, 39734), (1012, 19867)]