20457645

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{104911}}^1$

素因数の和:104932

約数の個数: 16

約数和(自身を含む): 35250432

約数和(自身を除く): 14792787

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 104911, 314733, 524555, 1363843, 1573665, 4091529, 6819215, 20457645]

約数ペア:

[(1, 20457645), (3, 6819215), (5, 4091529), (13, 1573665), (15, 1363843), (39, 524555), (65, 314733), (195, 104911)]