20178013311

素因数分解:

$3^2\times {\mathrm{31643}}^1\times {\mathrm{70853}}^1$

素因数の和:102502

約数の個数: 12

約数和(自身を含む): 29147351688

約数和(自身を除く): 8969338377

約数列:

[1, 3, 9, 31643, 70853, 94929, 212559, 284787, 637677, 2242001479, 6726004437, 20178013311]

約数ペア:

[(1, 20178013311), (3, 6726004437), (9, 2242001479), (31643, 637677), (70853, 284787), (94929, 212559)]