20265507

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2083}}^1$

素因数の和:2159

約数の個数: 24

約数和(自身を含む): 31209984

約数和(自身を除く): 10944477

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 2083, 3243, 6249, 9729, 18747, 47909, 97901, 143727, 293703, 431181, 881109, 2251723, 6755169, 20265507]

約数ペア:

[(1, 20265507), (3, 6755169), (9, 2251723), (23, 881109), (47, 431181), (69, 293703), (141, 143727), (207, 97901), (423, 47909), (1081, 18747), (2083, 9729), (3243, 6249)]