20342637399

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{15880279}}^1$

素因数の和:15880350

約数の個数: 16

約数和(自身を含む): 31506475520

約数和(自身を除く): 11163838121

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 15880279, 47640837, 111161953, 333485859, 968697019, 2906091057, 6780879133, 20342637399]

約数ペア:

[(1, 20342637399), (3, 6780879133), (7, 2906091057), (21, 968697019), (61, 333485859), (183, 111161953), (427, 47640837), (1281, 15880279)]