20559260

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{35447}}^1$

素因数の和:35485

約数の個数: 24

約数和(自身を含む): 44664480

約数和(自身を除く): 24105220

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 35447, 70894, 141788, 177235, 354470, 708940, 1027963, 2055926, 4111852, 5139815, 10279630, 20559260]

約数ペア:

[(1, 20559260), (2, 10279630), (4, 5139815), (5, 4111852), (10, 2055926), (20, 1027963), (29, 708940), (58, 354470), (116, 177235), (145, 141788), (290, 70894), (580, 35447)]