20662954

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{541}}^1$

素因数の和:682

約数の個数: 24

約数和(自身を含む): 33921612

約数和(自身を除く): 13258658

約数列:

[1, 2, 13, 26, 113, 169, 226, 338, 541, 1082, 1469, 2938, 7033, 14066, 19097, 38194, 61133, 91429, 122266, 182858, 794729, 1589458, 10331477, 20662954]

約数ペア:

[(1, 20662954), (2, 10331477), (13, 1589458), (26, 794729), (113, 182858), (169, 122266), (226, 91429), (338, 61133), (541, 38194), (1082, 19097), (1469, 14066), (2938, 7033)]