20580675

素因数分解:

$3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{4651}}^1$

素因数の和:4723

約数の個数: 24

約数和(自身を含む): 34610880

約数和(自身を除く): 14030205

約数列:

[1, 3, 5, 15, 25, 59, 75, 177, 295, 885, 1475, 4425, 4651, 13953, 23255, 69765, 116275, 274409, 348825, 823227, 1372045, 4116135, 6860225, 20580675]

約数ペア:

[(1, 20580675), (3, 6860225), (5, 4116135), (15, 1372045), (25, 823227), (59, 348825), (75, 274409), (177, 116275), (295, 69765), (885, 23255), (1475, 13953), (4425, 4651)]