20909415

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{60607}}^1$

素因数の和:60638

約数の個数: 16

約数和(自身を含む): 34910208

約数和(自身を除く): 14000793

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 60607, 181821, 303035, 909105, 1393961, 4181883, 6969805, 20909415]

約数ペア:

[(1, 20909415), (3, 6969805), (5, 4181883), (15, 1393961), (23, 909105), (69, 303035), (115, 181821), (345, 60607)]