20707587

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1459}}^1$

素因数の和:1567

約数の個数: 24

約数和(自身を含む): 31886400

約数和(自身を除く): 11178813

約数列:

[1, 3, 9, 19, 57, 83, 171, 249, 747, 1459, 1577, 4377, 4731, 13131, 14193, 27721, 83163, 121097, 249489, 363291, 1089873, 2300843, 6902529, 20707587]

約数ペア:

[(1, 20707587), (3, 6902529), (9, 2300843), (19, 1089873), (57, 363291), (83, 249489), (171, 121097), (249, 83163), (747, 27721), (1459, 14193), (1577, 13131), (4377, 4731)]