20977367032

素因数分解:

$2^3\times {\mathrm{10691}}^1\times {\mathrm{245269}}^1$

素因数の和:255966

約数の個数: 16

約数和(自身を含む): 39336402600

約数和(自身を除く): 18359035568

約数列:

[1, 2, 4, 8, 10691, 21382, 42764, 85528, 245269, 490538, 981076, 1962152, 2622170879, 5244341758, 10488683516, 20977367032]

約数ペア:

[(1, 20977367032), (2, 10488683516), (4, 5244341758), (8, 2622170879), (10691, 1962152), (21382, 981076), (42764, 490538), (85528, 245269)]