20677281

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1801}}^1$

素因数の和:1936

約数の個数: 16

約数和(自身を含む): 28543680

約数和(自身を除く): 7866399

約数列:

[1, 3, 43, 89, 129, 267, 1801, 3827, 5403, 11481, 77443, 160289, 232329, 480867, 6892427, 20677281]

約数ペア:

[(1, 20677281), (3, 6892427), (43, 480867), (89, 232329), (129, 160289), (267, 77443), (1801, 11481), (3827, 5403)]