20403913624

素因数分解:

$2^3\times {\mathrm{1429}}^1\times {\mathrm{1784807}}^1$

素因数の和:1786242

約数の個数: 16

約数和(自身を含む): 38284131600

約数和(自身を除く): 17880217976

約数列:

[1, 2, 4, 8, 1429, 2858, 5716, 11432, 1784807, 3569614, 7139228, 14278456, 2550489203, 5100978406, 10201956812, 20403913624]

約数ペア:

[(1, 20403913624), (2, 10201956812), (4, 5100978406), (8, 2550489203), (1429, 14278456), (2858, 7139228), (5716, 3569614), (11432, 1784807)]