20516379

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{6659}}^1$

素因数の和:6754

約数の個数: 16

約数和(自身を含む): 29836800

約数和(自身を除く): 9320421

約数列:

[1, 3, 13, 39, 79, 237, 1027, 3081, 6659, 19977, 86567, 259701, 526061, 1578183, 6838793, 20516379]

約数ペア:

[(1, 20516379), (3, 6838793), (13, 1578183), (39, 526061), (79, 259701), (237, 86567), (1027, 19977), (3081, 6659)]