20139688

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1847}}^1$

素因数の和:1929

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 19777112

約数列:

[1, 2, 4, 8, 29, 47, 58, 94, 116, 188, 232, 376, 1363, 1847, 2726, 3694, 5452, 7388, 10904, 14776, 53563, 86809, 107126, 173618, 214252, 347236, 428504, 694472, 2517461, 5034922, 10069844, 20139688]

約数ペア:

[(1, 20139688), (2, 10069844), (4, 5034922), (8, 2517461), (29, 694472), (47, 428504), (58, 347236), (94, 214252), (116, 173618), (188, 107126), (232, 86809), (376, 53563), (1363, 14776), (1847, 10904), (2726, 7388), (3694, 5452)]