20982417

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{4283}}^1$

素因数の和:4380

約数の個数: 16

約数和(自身を含む): 29611008

約数和(自身を除く): 8628591

約数列:

[1, 3, 23, 69, 71, 213, 1633, 4283, 4899, 12849, 98509, 295527, 304093, 912279, 6994139, 20982417]

約数ペア:

[(1, 20982417), (3, 6994139), (23, 912279), (69, 304093), (71, 295527), (213, 98509), (1633, 12849), (4283, 4899)]