20123619

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{1433}}^1$

素因数の和:1618

約数の個数: 16

約数和(自身を含む): 27899904

約数和(自身を除く): 7776285

約数列:

[1, 3, 31, 93, 151, 453, 1433, 4299, 4681, 14043, 44423, 133269, 216383, 649149, 6707873, 20123619]

約数ペア:

[(1, 20123619), (3, 6707873), (31, 649149), (93, 216383), (151, 133269), (453, 44423), (1433, 14043), (4299, 4681)]