20408408068

素因数分解:

$2^2\times {\mathrm{5261}}^1\times {\mathrm{969797}}^1$

素因数の和:975062

約数の個数: 12

約数和(自身を含む): 35721539532

約数和(自身を除く): 15313131464

約数列:

[1, 2, 4, 5261, 10522, 21044, 969797, 1939594, 3879188, 5102102017, 10204204034, 20408408068]

約数ペア:

[(1, 20408408068), (2, 10204204034), (4, 5102102017), (5261, 3879188), (10522, 1939594), (21044, 969797)]