20167355

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18251}}^1$

素因数の和:18286

約数の個数: 16

約数和(自身を含む): 27597024

約数和(自身を除く): 7429669

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 18251, 91255, 237263, 310267, 1186315, 1551335, 4033471, 20167355]

約数ペア:

[(1, 20167355), (5, 4033471), (13, 1551335), (17, 1186315), (65, 310267), (85, 237263), (221, 91255), (1105, 18251)]