20187156951

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{1543}}^1\times {\mathrm{111821}}^1$

素因数の和:113383

約数の個数: 24

約数和(自身を含む): 31422876576

約数和(自身を除く): 11235719625

約数列:

[1, 3, 9, 13, 39, 117, 1543, 4629, 13887, 20059, 60177, 111821, 180531, 335463, 1006389, 1453673, 4361019, 13083057, 172539803, 517619409, 1552858227, 2243017439, 6729052317, 20187156951]

約数ペア:

[(1, 20187156951), (3, 6729052317), (9, 2243017439), (13, 1552858227), (39, 517619409), (117, 172539803), (1543, 13083057), (4629, 4361019), (13887, 1453673), (20059, 1006389), (60177, 335463), (111821, 180531)]