20683455

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1453}}^1$

素因数の和:1547

約数の個数: 32

約数和(自身を含む): 36152256

約数和(自身を除く): 15468801

約数列:

[1, 3, 5, 13, 15, 39, 65, 73, 195, 219, 365, 949, 1095, 1453, 2847, 4359, 4745, 7265, 14235, 18889, 21795, 56667, 94445, 106069, 283335, 318207, 530345, 1378897, 1591035, 4136691, 6894485, 20683455]

約数ペア:

[(1, 20683455), (3, 6894485), (5, 4136691), (13, 1591035), (15, 1378897), (39, 530345), (65, 318207), (73, 283335), (195, 106069), (219, 94445), (365, 56667), (949, 21795), (1095, 18889), (1453, 14235), (2847, 7265), (4359, 4745)]