20508717180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{48830279}}^1$

素因数の和:48830298

約数の個数: 48

約数和(自身を含む): 65627896320

約数和(自身を除く): 45119179140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 48830279, 97660558, 146490837, 195321116, 244151395, 292981674, 341811953, 488302790, 585963348, 683623906, 732454185, 976605580, 1025435859, 1367247812, 1464908370, 1709059765, 2050871718, 2929816740, 3418119530, 4101743436, 5127179295, 6836239060, 10254358590, 20508717180]

約数ペア:

[(1, 20508717180), (2, 10254358590), (3, 6836239060), (4, 5127179295), (5, 4101743436), (6, 3418119530), (7, 2929816740), (10, 2050871718), (12, 1709059765), (14, 1464908370), (15, 1367247812), (20, 1025435859), (21, 976605580), (28, 732454185), (30, 683623906), (35, 585963348), (42, 488302790), (60, 341811953), (70, 292981674), (84, 244151395), (105, 195321116), (140, 146490837), (210, 97660558), (420, 48830279)]