20504896671

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3402173}}^1$

素因数の和:3402231

約数の個数: 24

約数和(自身を含む): 32579218224

約数和(自身を除く): 12074321553

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 6027, 3402173, 10206519, 23815211, 71445633, 139489093, 166706477, 418467279, 500119431, 976423651, 2929270953, 6834965557, 20504896671]

約数ペア:

[(1, 20504896671), (3, 6834965557), (7, 2929270953), (21, 976423651), (41, 500119431), (49, 418467279), (123, 166706477), (147, 139489093), (287, 71445633), (861, 23815211), (2009, 10206519), (6027, 3402173)]