20157088

素因数分解:

$2^5\times 7^1\times {\mathrm{29}}^2\times {\mathrm{107}}^1$

素因数の和:182

約数の個数: 72

約数和(自身を含む): 47410272

約数和(自身を除く): 27253184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 107, 112, 116, 203, 214, 224, 232, 406, 428, 464, 749, 812, 841, 856, 928, 1498, 1624, 1682, 1712, 2996, 3103, 3248, 3364, 3424, 5887, 5992, 6206, 6496, 6728, 11774, 11984, 12412, 13456, 21721, 23548, 23968, 24824, 26912, 43442, 47096, 49648, 86884, 89987, 94192, 99296, 173768, 179974, 188384, 347536, 359948, 629909, 695072, 719896, 1259818, 1439792, 2519636, 2879584, 5039272, 10078544, 20157088]

約数ペア:

[(1, 20157088), (2, 10078544), (4, 5039272), (7, 2879584), (8, 2519636), (14, 1439792), (16, 1259818), (28, 719896), (29, 695072), (32, 629909), (56, 359948), (58, 347536), (107, 188384), (112, 179974), (116, 173768), (203, 99296), (214, 94192), (224, 89987), (232, 86884), (406, 49648), (428, 47096), (464, 43442), (749, 26912), (812, 24824), (841, 23968), (856, 23548), (928, 21721), (1498, 13456), (1624, 12412), (1682, 11984), (1712, 11774), (2996, 6728), (3103, 6496), (3248, 6206), (3364, 5992), (3424, 5887)]