20896564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{10861}}^1$

素因数の和:10915

約数の個数: 24

約数和(自身を含む): 40450088

約数和(自身を除く): 19553524

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 10861, 21722, 43444, 141193, 282386, 401857, 564772, 803714, 1607428, 5224141, 10448282, 20896564]

約数ペア:

[(1, 20896564), (2, 10448282), (4, 5224141), (13, 1607428), (26, 803714), (37, 564772), (52, 401857), (74, 282386), (148, 141193), (481, 43444), (962, 21722), (1924, 10861)]