20574862

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:337

約数の個数: 64

約数和(自身を含む): 42301440

約数和(自身を除く): 21726578

約数列:

[1, 2, 7, 11, 14, 17, 22, 29, 34, 58, 77, 119, 154, 187, 203, 238, 271, 319, 374, 406, 493, 542, 638, 986, 1309, 1897, 2233, 2618, 2981, 3451, 3794, 4466, 4607, 5423, 5962, 6902, 7859, 9214, 10846, 15718, 20867, 32249, 37961, 41734, 50677, 55013, 64498, 75922, 86449, 101354, 110026, 133603, 172898, 267206, 354739, 605143, 709478, 935221, 1210286, 1469633, 1870442, 2939266, 10287431, 20574862]

約数ペア:

[(1, 20574862), (2, 10287431), (7, 2939266), (11, 1870442), (14, 1469633), (17, 1210286), (22, 935221), (29, 709478), (34, 605143), (58, 354739), (77, 267206), (119, 172898), (154, 133603), (187, 110026), (203, 101354), (238, 86449), (271, 75922), (319, 64498), (374, 55013), (406, 50677), (493, 41734), (542, 37961), (638, 32249), (986, 20867), (1309, 15718), (1897, 10846), (2233, 9214), (2618, 7859), (2981, 6902), (3451, 5962), (3794, 5423), (4466, 4607)]