20795215

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31271}}^1$

素因数の和:31302

約数の個数: 16

約数和(自身を含む): 30021120

約数和(自身を除く): 9225905

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 31271, 156355, 218897, 594149, 1094485, 2970745, 4159043, 20795215]

約数ペア:

[(1, 20795215), (5, 4159043), (7, 2970745), (19, 1094485), (35, 594149), (95, 218897), (133, 156355), (665, 31271)]