20258704

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43661}}^1$

素因数の和:43698

約数の個数: 20

約数和(自身を含む): 40605660

約数和(自身を除く): 20346956

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 43661, 87322, 174644, 349288, 698576, 1266169, 2532338, 5064676, 10129352, 20258704]

約数ペア:

[(1, 20258704), (2, 10129352), (4, 5064676), (8, 2532338), (16, 1266169), (29, 698576), (58, 349288), (116, 174644), (232, 87322), (464, 43661)]