2020759972

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{345311}}^1$

素因数の和:345352

約数の個数: 48

約数和(自身を含む): 4640993280

約数和(自身を除く): 2620233308

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 532, 836, 1463, 2926, 5852, 345311, 690622, 1381244, 2417177, 3798421, 4834354, 6560909, 7596842, 9668708, 13121818, 15193684, 26243636, 26588947, 45926363, 53177894, 72169999, 91852726, 106355788, 144339998, 183705452, 288679996, 505189993, 1010379986, 2020759972]

約数ペア:

[(1, 2020759972), (2, 1010379986), (4, 505189993), (7, 288679996), (11, 183705452), (14, 144339998), (19, 106355788), (22, 91852726), (28, 72169999), (38, 53177894), (44, 45926363), (76, 26588947), (77, 26243636), (133, 15193684), (154, 13121818), (209, 9668708), (266, 7596842), (308, 6560909), (418, 4834354), (532, 3798421), (836, 2417177), (1463, 1381244), (2926, 690622), (5852, 345311)]