20388111

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{5347}}^1$

素因数の和:5422

約数の個数: 16

約数和(自身を含む): 28750848

約数和(自身を除く): 8362737

約数列:

[1, 3, 31, 41, 93, 123, 1271, 3813, 5347, 16041, 165757, 219227, 497271, 657681, 6796037, 20388111]

約数ペア:

[(1, 20388111), (3, 6796037), (31, 657681), (41, 497271), (93, 219227), (123, 165757), (1271, 16041), (3813, 5347)]