20218683810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1451}}^1\times {\mathrm{35729}}^1$

素因数の和:37203

約数の個数: 64

約数和(自身を含む): 52294999680

約数和(自身を除く): 32076315870

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 1451, 2902, 4353, 7255, 8706, 14510, 18863, 21765, 35729, 37726, 43530, 56589, 71458, 94315, 107187, 113178, 178645, 188630, 214374, 282945, 357290, 464477, 535935, 565890, 928954, 1071870, 1393431, 2322385, 2786862, 4644770, 6967155, 13934310, 51842779, 103685558, 155528337, 259213895, 311056674, 518427790, 673956127, 777641685, 1347912254, 1555283370, 2021868381, 3369780635, 4043736762, 6739561270, 10109341905, 20218683810]

約数ペア:

[(1, 20218683810), (2, 10109341905), (3, 6739561270), (5, 4043736762), (6, 3369780635), (10, 2021868381), (13, 1555283370), (15, 1347912254), (26, 777641685), (30, 673956127), (39, 518427790), (65, 311056674), (78, 259213895), (130, 155528337), (195, 103685558), (390, 51842779), (1451, 13934310), (2902, 6967155), (4353, 4644770), (7255, 2786862), (8706, 2322385), (14510, 1393431), (18863, 1071870), (21765, 928954), (35729, 565890), (37726, 535935), (43530, 464477), (56589, 357290), (71458, 282945), (94315, 214374), (107187, 188630), (113178, 178645)]