20398049279

素因数分解:

${\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1\times {\mathrm{21023}}^1$

素因数の和:21494

約数の個数: 16

約数和(自身を含む): 21663129600

約数和(自身を除く): 1265080321

約数列:

[1, 19, 223, 229, 4237, 4351, 21023, 51067, 399437, 970273, 4688129, 4814267, 89074451, 91471073, 1073581541, 20398049279]

約数ペア:

[(1, 20398049279), (19, 1073581541), (223, 91471073), (229, 89074451), (4237, 4814267), (4351, 4688129), (21023, 970273), (51067, 399437)]