20802635

素因数分解:

$5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3989}}^1$

素因数の和:4150

約数の個数: 16

約数和(自身を含む): 28728000

約数和(自身を除く): 7925365

約数列:

[1, 5, 7, 35, 149, 745, 1043, 3989, 5215, 19945, 27923, 139615, 594361, 2971805, 4160527, 20802635]

約数ペア:

[(1, 20802635), (5, 4160527), (7, 2971805), (35, 594361), (149, 139615), (745, 27923), (1043, 19945), (3989, 5215)]