20701815

素因数分解:

$3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{8467}}^1$

素因数の和:8638

約数の個数: 16

約数和(自身を含む): 33330048

約数和(自身を除く): 12628233

約数列:

[1, 3, 5, 15, 163, 489, 815, 2445, 8467, 25401, 42335, 127005, 1380121, 4140363, 6900605, 20701815]

約数ペア:

[(1, 20701815), (3, 6900605), (5, 4140363), (15, 1380121), (163, 127005), (489, 42335), (815, 25401), (2445, 8467)]