20528068432

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{21032857}}^1$

素因数の和:21032926

約数の個数: 20

約数和(自身を含む): 40425153076

約数和(自身を除く): 19897084644

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 21032857, 42065714, 84131428, 168262856, 336525712, 1283004277, 2566008554, 5132017108, 10264034216, 20528068432]

約数ペア:

[(1, 20528068432), (2, 10264034216), (4, 5132017108), (8, 2566008554), (16, 1283004277), (61, 336525712), (122, 168262856), (244, 84131428), (488, 42065714), (976, 21032857)]