20709767

素因数分解:

${\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:183

約数の個数: 24

約数和(自身を含む): 23892480

約数和(自身を除く): 3182713

約数列:

[1, 13, 31, 59, 67, 169, 403, 767, 871, 1829, 2077, 3953, 5239, 9971, 11323, 23777, 27001, 51389, 122543, 309101, 351013, 668057, 1593059, 20709767]

約数ペア:

[(1, 20709767), (13, 1593059), (31, 668057), (59, 351013), (67, 309101), (169, 122543), (403, 51389), (767, 27001), (871, 23777), (1829, 11323), (2077, 9971), (3953, 5239)]