20489258

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{13151}}^1$

素因数の和:13213

約数の個数: 16

約数和(自身を含む): 33143040

約数和(自身を除く): 12653782

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 13151, 26302, 249869, 499738, 539191, 1078382, 10244629, 20489258]

約数ペア:

[(1, 20489258), (2, 10244629), (19, 1078382), (38, 539191), (41, 499738), (82, 249869), (779, 26302), (1558, 13151)]