20088140

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13759}}^1$

素因数の和:13841

約数の個数: 24

約数和(自身を含む): 42766080

約数和(自身を除く): 22677940

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 13759, 27518, 55036, 68795, 137590, 275180, 1004407, 2008814, 4017628, 5022035, 10044070, 20088140]

約数ペア:

[(1, 20088140), (2, 10044070), (4, 5022035), (5, 4017628), (10, 2008814), (20, 1004407), (73, 275180), (146, 137590), (292, 68795), (365, 55036), (730, 27518), (1460, 13759)]