20528068456

素因数分解:

$2^3\times 7^1\times {\mathrm{653}}^1\times {\mathrm{561367}}^1$

素因数の和:562033

約数の個数: 32

約数和(自身を含む): 44056160640

約数和(自身を除く): 23528092184

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 653, 1306, 2612, 4571, 5224, 9142, 18284, 36568, 561367, 1122734, 2245468, 3929569, 4490936, 7859138, 15718276, 31436552, 366572651, 733145302, 1466290604, 2566008557, 2932581208, 5132017114, 10264034228, 20528068456]

約数ペア:

[(1, 20528068456), (2, 10264034228), (4, 5132017114), (7, 2932581208), (8, 2566008557), (14, 1466290604), (28, 733145302), (56, 366572651), (653, 31436552), (1306, 15718276), (2612, 7859138), (4571, 4490936), (5224, 3929569), (9142, 2245468), (18284, 1122734), (36568, 561367)]