20769495

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1031}}^1$

素因数の和:1135

約数の個数: 32

約数和(自身を含む): 35665920

約数和(自身を除く): 14896425

約数列:

[1, 3, 5, 15, 17, 51, 79, 85, 237, 255, 395, 1031, 1185, 1343, 3093, 4029, 5155, 6715, 15465, 17527, 20145, 52581, 81449, 87635, 244347, 262905, 407245, 1221735, 1384633, 4153899, 6923165, 20769495]

約数ペア:

[(1, 20769495), (3, 6923165), (5, 4153899), (15, 1384633), (17, 1221735), (51, 407245), (79, 262905), (85, 244347), (237, 87635), (255, 81449), (395, 52581), (1031, 20145), (1185, 17527), (1343, 15465), (3093, 6715), (4029, 5155)]