20149461472

素因数分解:

$2^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1266943}}^1$

素因数の和:1267031

約数の個数: 48

約数和(自身を含む): 45974863872

約数和(自身を除く): 25825402400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 71, 112, 142, 224, 284, 497, 568, 994, 1136, 1988, 2272, 3976, 7952, 15904, 1266943, 2533886, 5067772, 8868601, 10135544, 17737202, 20271088, 35474404, 40542176, 70948808, 89952953, 141897616, 179905906, 283795232, 359811812, 629670671, 719623624, 1259341342, 1439247248, 2518682684, 2878494496, 5037365368, 10074730736, 20149461472]

約数ペア:

[(1, 20149461472), (2, 10074730736), (4, 5037365368), (7, 2878494496), (8, 2518682684), (14, 1439247248), (16, 1259341342), (28, 719623624), (32, 629670671), (56, 359811812), (71, 283795232), (112, 179905906), (142, 141897616), (224, 89952953), (284, 70948808), (497, 40542176), (568, 35474404), (994, 20271088), (1136, 17737202), (1988, 10135544), (2272, 8868601), (3976, 5067772), (7952, 2533886), (15904, 1266943)]