20902078

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{26729}}^1$

素因数の和:26771

約数の個数: 16

約数和(自身を含む): 34642080

約数和(自身を除く): 13740002

約数列:

[1, 2, 17, 23, 34, 46, 391, 782, 26729, 53458, 454393, 614767, 908786, 1229534, 10451039, 20902078]

約数ペア:

[(1, 20902078), (2, 10451039), (17, 1229534), (23, 908786), (34, 614767), (46, 454393), (391, 53458), (782, 26729)]