20548570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{787}}^1$

素因数の和:1174

約数の個数: 32

約数和(自身を含む): 42438528

約数和(自身を除く): 21889958

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 373, 746, 787, 1574, 1865, 2611, 3730, 3935, 5222, 5509, 7870, 11018, 13055, 26110, 27545, 55090, 293551, 587102, 1467755, 2054857, 2935510, 4109714, 10274285, 20548570]

約数ペア:

[(1, 20548570), (2, 10274285), (5, 4109714), (7, 2935510), (10, 2054857), (14, 1467755), (35, 587102), (70, 293551), (373, 55090), (746, 27545), (787, 26110), (1574, 13055), (1865, 11018), (2611, 7870), (3730, 5509), (3935, 5222)]