20245251

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{6571}}^1$

素因数の和:6666

約数の個数: 16

約数和(自身を含む): 29442560

約数和(自身を除く): 9197309

約数列:

[1, 3, 13, 39, 79, 237, 1027, 3081, 6571, 19713, 85423, 256269, 519109, 1557327, 6748417, 20245251]

約数ペア:

[(1, 20245251), (3, 6748417), (13, 1557327), (39, 519109), (79, 256269), (237, 85423), (1027, 19713), (3081, 6571)]