20743877

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1289}}^1$

素因数の和:1337

約数の個数: 24

約数和(自身を含む): 27451200

約数和(自身を除く): 6707323

約数列:

[1, 7, 11, 19, 77, 121, 133, 209, 847, 1289, 1463, 2299, 9023, 14179, 16093, 24491, 99253, 155969, 171437, 269401, 1091783, 1885807, 2963411, 20743877]

約数ペア:

[(1, 20743877), (7, 2963411), (11, 1885807), (19, 1091783), (77, 269401), (121, 171437), (133, 155969), (209, 99253), (847, 24491), (1289, 16093), (1463, 14179), (2299, 9023)]