20776310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2543}}^1$

素因数の和:2612

約数の個数: 32

約数和(自身を含む): 40296960

約数和(自身を除く): 19520650

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 2543, 4085, 5086, 8170, 12715, 25430, 48317, 96634, 109349, 218698, 241585, 483170, 546745, 1093490, 2077631, 4155262, 10388155, 20776310]

約数ペア:

[(1, 20776310), (2, 10388155), (5, 4155262), (10, 2077631), (19, 1093490), (38, 546745), (43, 483170), (86, 241585), (95, 218698), (190, 109349), (215, 96634), (430, 48317), (817, 25430), (1634, 12715), (2543, 8170), (4085, 5086)]