20331489

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1801}}^1$

素因数の和:1928

約数の個数: 16

約数和(自身を含む): 28024704

約数和(自身を除く): 7693215

約数列:

[1, 3, 53, 71, 159, 213, 1801, 3763, 5403, 11289, 95453, 127871, 286359, 383613, 6777163, 20331489]

約数ペア:

[(1, 20331489), (3, 6777163), (53, 383613), (71, 286359), (159, 127871), (213, 95453), (1801, 11289), (3763, 5403)]