20608965

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11743}}^1$

素因数の和:11770

約数の個数: 32

約数和(自身を含む): 39459840

約数和(自身を除く): 18850875

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 11743, 35229, 58715, 105687, 152659, 176145, 317061, 457977, 528435, 763295, 1373931, 1585305, 2289885, 4121793, 6869655, 20608965]

約数ペア:

[(1, 20608965), (3, 6869655), (5, 4121793), (9, 2289885), (13, 1585305), (15, 1373931), (27, 763295), (39, 528435), (45, 457977), (65, 317061), (117, 176145), (135, 152659), (195, 105687), (351, 58715), (585, 35229), (1755, 11743)]