20100681

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1663}}^1$

素因数の和:1765

約数の個数: 24

約数和(自身を含む): 31150080

約数和(自身を除く): 11049399

約数列:

[1, 3, 9, 17, 51, 79, 153, 237, 711, 1343, 1663, 4029, 4989, 12087, 14967, 28271, 84813, 131377, 254439, 394131, 1182393, 2233409, 6700227, 20100681]

約数ペア:

[(1, 20100681), (3, 6700227), (9, 2233409), (17, 1182393), (51, 394131), (79, 254439), (153, 131377), (237, 84813), (711, 28271), (1343, 14967), (1663, 12087), (4029, 4989)]