20088620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32401}}^1$

素因数の和:32441

約数の個数: 24

約数和(自身を含む): 43548288

約数和(自身を除く): 23459668

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 32401, 64802, 129604, 162005, 324010, 648020, 1004431, 2008862, 4017724, 5022155, 10044310, 20088620]

約数ペア:

[(1, 20088620), (2, 10044310), (4, 5022155), (5, 4017724), (10, 2008862), (20, 1004431), (31, 648020), (62, 324010), (124, 162005), (155, 129604), (310, 64802), (620, 32401)]