20346245

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3511}}^1$

素因数の和:3596

約数の個数: 16

約数和(自身を含む): 26129280

約数和(自身を除く): 5783035

約数列:

[1, 5, 19, 61, 95, 305, 1159, 3511, 5795, 17555, 66709, 214171, 333545, 1070855, 4069249, 20346245]

約数ペア:

[(1, 20346245), (5, 4069249), (19, 1070855), (61, 333545), (95, 214171), (305, 66709), (1159, 17555), (3511, 5795)]