20679165

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11783}}^1$

素因数の和:11810

約数の個数: 32

約数和(自身を含む): 39594240

約数和(自身を除く): 18915075

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 11783, 35349, 58915, 106047, 153179, 176745, 318141, 459537, 530235, 765895, 1378611, 1590705, 2297685, 4135833, 6893055, 20679165]

約数ペア:

[(1, 20679165), (3, 6893055), (5, 4135833), (9, 2297685), (13, 1590705), (15, 1378611), (27, 765895), (39, 530235), (45, 459537), (65, 318141), (117, 176745), (135, 153179), (195, 106047), (351, 58915), (585, 35349), (1755, 11783)]