20187780231

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2547997}}^1$

素因数の和:2548158

約数の個数: 16

約数和(自身を含む): 28537577600

約数和(自身を除く): 8349797369

約数列:

[1, 3, 19, 57, 139, 417, 2641, 7923, 2547997, 7643991, 48411943, 145235829, 354171583, 1062514749, 6729260077, 20187780231]

約数ペア:

[(1, 20187780231), (3, 6729260077), (19, 1062514749), (57, 354171583), (139, 145235829), (417, 48411943), (2641, 7643991), (7923, 2547997)]