20609525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{683}}^1$

素因数の和:781

約数の個数: 24

約数和(自身を含む): 27480384

約数和(自身を除く): 6870859

約数列:

[1, 5, 17, 25, 71, 85, 355, 425, 683, 1207, 1775, 3415, 6035, 11611, 17075, 30175, 48493, 58055, 242465, 290275, 824381, 1212325, 4121905, 20609525]

約数ペア:

[(1, 20609525), (5, 4121905), (17, 1212325), (25, 824381), (71, 290275), (85, 242465), (355, 58055), (425, 48493), (683, 30175), (1207, 17075), (1775, 11611), (3415, 6035)]