20996696

素因数分解:

$2^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1847}}^1$

素因数の和:1896

約数の個数: 48

約数和(自身を含む): 47401200

約数和(自身を除く): 26404504

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 49, 56, 58, 98, 116, 196, 203, 232, 392, 406, 812, 1421, 1624, 1847, 2842, 3694, 5684, 7388, 11368, 12929, 14776, 25858, 51716, 53563, 90503, 103432, 107126, 181006, 214252, 362012, 374941, 428504, 724024, 749882, 1499764, 2624587, 2999528, 5249174, 10498348, 20996696]

約数ペア:

[(1, 20996696), (2, 10498348), (4, 5249174), (7, 2999528), (8, 2624587), (14, 1499764), (28, 749882), (29, 724024), (49, 428504), (56, 374941), (58, 362012), (98, 214252), (116, 181006), (196, 107126), (203, 103432), (232, 90503), (392, 53563), (406, 51716), (812, 25858), (1421, 14776), (1624, 12929), (1847, 11368), (2842, 7388), (3694, 5684)]