20768157

素因数分解:

$3^4\times {\mathrm{113}}^1\times {\mathrm{2269}}^1$

素因数の和:2394

約数の個数: 20

約数和(自身を含む): 31312380

約数和(自身を除く): 10544223

約数列:

[1, 3, 9, 27, 81, 113, 339, 1017, 2269, 3051, 6807, 9153, 20421, 61263, 183789, 256397, 769191, 2307573, 6922719, 20768157]

約数ペア:

[(1, 20768157), (3, 6922719), (9, 2307573), (27, 769191), (81, 256397), (113, 183789), (339, 61263), (1017, 20421), (2269, 9153), (3051, 6807)]