20323135

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18731}}^1$

素因数の和:18774

約数の個数: 16

約数和(自身を含む): 28772352

約数和(自身を除く): 8449217

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 18731, 93655, 131117, 580661, 655585, 2903305, 4064627, 20323135]

約数ペア:

[(1, 20323135), (5, 4064627), (7, 2903305), (31, 655585), (35, 580661), (155, 131117), (217, 93655), (1085, 18731)]