20993048

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{349}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 40404000

約数和(自身を除く): 19410952

約数列:

[1, 2, 4, 8, 73, 103, 146, 206, 292, 349, 412, 584, 698, 824, 1396, 2792, 7519, 15038, 25477, 30076, 35947, 50954, 60152, 71894, 101908, 143788, 203816, 287576, 2624131, 5248262, 10496524, 20993048]

約数ペア:

[(1, 20993048), (2, 10496524), (4, 5248262), (8, 2624131), (73, 287576), (103, 203816), (146, 143788), (206, 101908), (292, 71894), (349, 60152), (412, 50954), (584, 35947), (698, 30076), (824, 25477), (1396, 15038), (2792, 7519)]