20851902189

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1707353}}^1$

素因数の和:1707441

約数の個数: 24

約数和(自身を含む): 31961666880

約数和(自身を除く): 11109764691

約数列:

[1, 3, 9, 23, 59, 69, 177, 207, 531, 1357, 4071, 12213, 1707353, 5122059, 15366177, 39269119, 100733827, 117807357, 302201481, 353422071, 906604443, 2316878021, 6950634063, 20851902189]

約数ペア:

[(1, 20851902189), (3, 6950634063), (9, 2316878021), (23, 906604443), (59, 353422071), (69, 302201481), (177, 117807357), (207, 100733827), (531, 39269119), (1357, 15366177), (4071, 5122059), (12213, 1707353)]