20941154

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42391}}^1$

素因数の和:42425

約数の個数: 16

約数和(自身を含む): 35609280

約数和(自身を除く): 14668126

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 42391, 84782, 551083, 805429, 1102166, 1610858, 10470577, 20941154]

約数ペア:

[(1, 20941154), (2, 10470577), (13, 1610858), (19, 1102166), (26, 805429), (38, 551083), (247, 84782), (494, 42391)]