20153259

素因数分解:

$3^3\times 7^2\times {\mathrm{15233}}^1$

素因数の和:15256

約数の個数: 24

約数和(自身を含む): 34733520

約数和(自身を除く): 14580261

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 15233, 45699, 106631, 137097, 319893, 411291, 746417, 959679, 2239251, 2879037, 6717753, 20153259]

約数ペア:

[(1, 20153259), (3, 6717753), (7, 2879037), (9, 2239251), (21, 959679), (27, 746417), (49, 411291), (63, 319893), (147, 137097), (189, 106631), (441, 45699), (1323, 15233)]