20656506

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{264827}}^1$

素因数の和:264845

約数の個数: 16

約数和(自身を含む): 44491104

約数和(自身を除く): 23834598

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 264827, 529654, 794481, 1588962, 3442751, 6885502, 10328253, 20656506]

約数ペア:

[(1, 20656506), (2, 10328253), (3, 6885502), (6, 3442751), (13, 1588962), (26, 794481), (39, 529654), (78, 264827)]