20802999

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{3011}}^1$

素因数の和:3075

約数の個数: 24

約数和(自身を含む): 32963328

約数和(自身を除く): 12160329

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 3011, 6909, 9033, 21077, 63231, 141517, 147539, 424551, 442617, 990619, 2971857, 6934333, 20802999]

約数ペア:

[(1, 20802999), (3, 6934333), (7, 2971857), (21, 990619), (47, 442617), (49, 424551), (141, 147539), (147, 141517), (329, 63231), (987, 21077), (2303, 9033), (3011, 6909)]