20125959

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{50441}}^1$

素因数の和:50470

約数の個数: 16

約数和(自身を含む): 32282880

約数和(自身を除く): 12156921

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 50441, 151323, 353087, 958379, 1059261, 2875137, 6708653, 20125959]

約数ペア:

[(1, 20125959), (3, 6708653), (7, 2875137), (19, 1059261), (21, 958379), (57, 353087), (133, 151323), (399, 50441)]