20804577164

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{3331931}}^1$

素因数の和:3332165

約数の個数: 24

約数和(自身を含む): 41795755008

約数和(自身を除く): 20991177844

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 3122, 6244, 3331931, 6663862, 13327724, 23323517, 46647034, 93294068, 743020613, 1486041226, 2972082452, 5201144291, 10402288582, 20804577164]

約数ペア:

[(1, 20804577164), (2, 10402288582), (4, 5201144291), (7, 2972082452), (14, 1486041226), (28, 743020613), (223, 93294068), (446, 46647034), (892, 23323517), (1561, 13327724), (3122, 6663862), (6244, 3331931)]