20408964906

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1386667}}^1$

素因数の和:1386906

約数の個数: 32

約数和(自身を含む): 44728363008

約数和(自身を除く): 24319398102

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 223, 446, 669, 1338, 2453, 4906, 7359, 14718, 1386667, 2773334, 4160001, 8320002, 15253337, 30506674, 45760011, 91520022, 309226741, 618453482, 927680223, 1855360446, 3401494151, 6802988302, 10204482453, 20408964906]

約数ペア:

[(1, 20408964906), (2, 10204482453), (3, 6802988302), (6, 3401494151), (11, 1855360446), (22, 927680223), (33, 618453482), (66, 309226741), (223, 91520022), (446, 45760011), (669, 30506674), (1338, 15253337), (2453, 8320002), (4906, 4160001), (7359, 2773334), (14718, 1386667)]