20217532851

素因数分解:

$3^4\times {\mathrm{257}}^2\times {\mathrm{3779}}^1$

素因数の和:4305

約数の個数: 30

約数和(自身を含む): 30327495660

約数和(自身を除く): 10109962809

約数列:

[1, 3, 9, 27, 81, 257, 771, 2313, 3779, 6939, 11337, 20817, 34011, 66049, 102033, 198147, 306099, 594441, 971203, 1783323, 2913609, 5349969, 8740827, 26222481, 78667443, 249599171, 748797513, 2246392539, 6739177617, 20217532851]

約数ペア:

[(1, 20217532851), (3, 6739177617), (9, 2246392539), (27, 748797513), (81, 249599171), (257, 78667443), (771, 26222481), (2313, 8740827), (3779, 5349969), (6939, 2913609), (11337, 1783323), (20817, 971203), (34011, 594441), (66049, 306099), (102033, 198147)]