20456168

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{150413}}^1$

素因数の和:150436

約数の個数: 16

約数和(自身を含む): 40611780

約数和(自身を除く): 20155612

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 150413, 300826, 601652, 1203304, 2557021, 5114042, 10228084, 20456168]

約数ペア:

[(1, 20456168), (2, 10228084), (4, 5114042), (8, 2557021), (17, 1203304), (34, 601652), (68, 300826), (136, 150413)]