20840442478

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{5510429}}^1$

素因数の和:5510523

約数の個数: 16

約数和(自身を含む): 32798079360

約数和(自身を除く): 11957636882

約数列:

[1, 2, 31, 61, 62, 122, 1891, 3782, 5510429, 11020858, 170823299, 336136169, 341646598, 672272338, 10420221239, 20840442478]

約数ペア:

[(1, 20840442478), (2, 10420221239), (31, 672272338), (61, 341646598), (62, 336136169), (122, 170823299), (1891, 11020858), (3782, 5510429)]