20215546

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:366

約数の個数: 32

約数和(自身を含む): 33965568

約数和(自身を除く): 13750022

約数列:

[1, 2, 13, 26, 47, 71, 94, 142, 233, 466, 611, 923, 1222, 1846, 3029, 3337, 6058, 6674, 10951, 16543, 21902, 33086, 43381, 86762, 142363, 215059, 284726, 430118, 777521, 1555042, 10107773, 20215546]

約数ペア:

[(1, 20215546), (2, 10107773), (13, 1555042), (26, 777521), (47, 430118), (71, 284726), (94, 215059), (142, 142363), (233, 86762), (466, 43381), (611, 33086), (923, 21902), (1222, 16543), (1846, 10951), (3029, 6674), (3337, 6058)]