20129074756

素因数分解:

$2^2\times 7^2\times {\mathrm{443}}^1\times {\mathrm{231827}}^1$

素因数の和:232288

約数の個数: 36

約数和(自身を含む): 41069721168

約数和(自身を除く): 20940646412

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 443, 886, 1772, 3101, 6202, 12404, 21707, 43414, 86828, 231827, 463654, 927308, 1622789, 3245578, 6491156, 11359523, 22719046, 45438092, 102699361, 205398722, 410797444, 718895527, 1437791054, 2875582108, 5032268689, 10064537378, 20129074756]

約数ペア:

[(1, 20129074756), (2, 10064537378), (4, 5032268689), (7, 2875582108), (14, 1437791054), (28, 718895527), (49, 410797444), (98, 205398722), (196, 102699361), (443, 45438092), (886, 22719046), (1772, 11359523), (3101, 6491156), (6202, 3245578), (12404, 1622789), (21707, 927308), (43414, 463654), (86828, 231827)]