20877993

素因数分解:

$3^4\times {\mathrm{113}}^1\times {\mathrm{2281}}^1$

素因数の和:2406

約数の個数: 20

約数和(自身を含む): 31477908

約数和(自身を除く): 10599915

約数列:

[1, 3, 9, 27, 81, 113, 339, 1017, 2281, 3051, 6843, 9153, 20529, 61587, 184761, 257753, 773259, 2319777, 6959331, 20877993]

約数ペア:

[(1, 20877993), (3, 6959331), (9, 2319777), (27, 773259), (81, 257753), (113, 184761), (339, 61587), (1017, 20529), (2281, 9153), (3051, 6843)]