20347062765

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1663}}^1\times {\mathrm{47981}}^1$

素因数の和:49669

約数の個数: 32

約数和(自身を含む): 34491764736

約数和(自身を除く): 14144701971

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 1663, 4989, 8315, 24945, 28271, 47981, 84813, 141355, 143943, 239905, 424065, 719715, 815677, 2447031, 4078385, 12235155, 79792403, 239377209, 398962015, 1196886045, 1356470851, 4069412553, 6782354255, 20347062765]

約数ペア:

[(1, 20347062765), (3, 6782354255), (5, 4069412553), (15, 1356470851), (17, 1196886045), (51, 398962015), (85, 239377209), (255, 79792403), (1663, 12235155), (4989, 4078385), (8315, 2447031), (24945, 815677), (28271, 719715), (47981, 424065), (84813, 239905), (141355, 143943)]