20690394

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2857}}^1$

素因数の和:2950

約数の個数: 32

約数和(自身を含む): 44447616

約数和(自身を除く): 23757222

約数列:

[1, 2, 3, 6, 17, 34, 51, 71, 102, 142, 213, 426, 1207, 2414, 2857, 3621, 5714, 7242, 8571, 17142, 48569, 97138, 145707, 202847, 291414, 405694, 608541, 1217082, 3448399, 6896798, 10345197, 20690394]

約数ペア:

[(1, 20690394), (2, 10345197), (3, 6896798), (6, 3448399), (17, 1217082), (34, 608541), (51, 405694), (71, 291414), (102, 202847), (142, 145707), (213, 97138), (426, 48569), (1207, 17142), (2414, 8571), (2857, 7242), (3621, 5714)]