20523945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{105251}}^1$

素因数の和:105272

約数の個数: 16

約数和(自身を含む): 35364672

約数和(自身を除く): 14840727

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 105251, 315753, 526255, 1368263, 1578765, 4104789, 6841315, 20523945]

約数ペア:

[(1, 20523945), (3, 6841315), (5, 4104789), (13, 1578765), (15, 1368263), (39, 526255), (65, 315753), (195, 105251)]