20485570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{941}}^1$

素因数の和:1266

約数の個数: 32

約数和(自身を含む): 42322176

約数和(自身を除く): 21836606

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 311, 622, 941, 1555, 1882, 2177, 3110, 4354, 4705, 6587, 9410, 10885, 13174, 21770, 32935, 65870, 292651, 585302, 1463255, 2048557, 2926510, 4097114, 10242785, 20485570]

約数ペア:

[(1, 20485570), (2, 10242785), (5, 4097114), (7, 2926510), (10, 2048557), (14, 1463255), (35, 585302), (70, 292651), (311, 65870), (622, 32935), (941, 21770), (1555, 13174), (1882, 10885), (2177, 9410), (3110, 6587), (4354, 4705)]