20383195

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{12391}}^1$

素因数の和:12450

約数の個数: 16

約数和(自身を含む): 28551168

約数和(自身を除く): 8167973

約数列:

[1, 5, 7, 35, 47, 235, 329, 1645, 12391, 61955, 86737, 433685, 582377, 2911885, 4076639, 20383195]

約数ペア:

[(1, 20383195), (5, 4076639), (7, 2911885), (35, 582377), (47, 433685), (235, 86737), (329, 61955), (1645, 12391)]