20646117

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:290

約数の個数: 32

約数和(自身を含む): 31628160

約数和(自身を除く): 10982043

約数列:

[1, 3, 9, 27, 67, 101, 113, 201, 303, 339, 603, 909, 1017, 1809, 2727, 3051, 6767, 7571, 11413, 20301, 22713, 34239, 60903, 68139, 102717, 182709, 204417, 308151, 764671, 2294013, 6882039, 20646117]

約数ペア:

[(1, 20646117), (3, 6882039), (9, 2294013), (27, 764671), (67, 308151), (101, 204417), (113, 182709), (201, 102717), (303, 68139), (339, 60903), (603, 34239), (909, 22713), (1017, 20301), (1809, 11413), (2727, 7571), (3051, 6767)]