20295576

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:486

約数の個数: 128

約数和(自身を含む): 66662400

約数和(自身を除く): 46366824

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 31, 36, 42, 54, 56, 62, 63, 72, 84, 93, 108, 124, 126, 168, 186, 189, 216, 217, 248, 252, 279, 372, 378, 433, 434, 504, 558, 651, 744, 756, 837, 866, 868, 1116, 1299, 1302, 1512, 1674, 1732, 1736, 1953, 2232, 2598, 2604, 3031, 3348, 3464, 3897, 3906, 5196, 5208, 5859, 6062, 6696, 7794, 7812, 9093, 10392, 11691, 11718, 12124, 13423, 15588, 15624, 18186, 23382, 23436, 24248, 26846, 27279, 31176, 36372, 40269, 46764, 46872, 53692, 54558, 72744, 80538, 81837, 93528, 93961, 107384, 109116, 120807, 161076, 163674, 187922, 218232, 241614, 281883, 322152, 327348, 362421, 375844, 483228, 563766, 654696, 724842, 751688, 845649, 966456, 1127532, 1449684, 1691298, 2255064, 2536947, 2899368, 3382596, 5073894, 6765192, 10147788, 20295576]

約数ペア:

[(1, 20295576), (2, 10147788), (3, 6765192), (4, 5073894), (6, 3382596), (7, 2899368), (8, 2536947), (9, 2255064), (12, 1691298), (14, 1449684), (18, 1127532), (21, 966456), (24, 845649), (27, 751688), (28, 724842), (31, 654696), (36, 563766), (42, 483228), (54, 375844), (56, 362421), (62, 327348), (63, 322152), (72, 281883), (84, 241614), (93, 218232), (108, 187922), (124, 163674), (126, 161076), (168, 120807), (186, 109116), (189, 107384), (216, 93961), (217, 93528), (248, 81837), (252, 80538), (279, 72744), (372, 54558), (378, 53692), (433, 46872), (434, 46764), (504, 40269), (558, 36372), (651, 31176), (744, 27279), (756, 26846), (837, 24248), (866, 23436), (868, 23382), (1116, 18186), (1299, 15624), (1302, 15588), (1512, 13423), (1674, 12124), (1732, 11718), (1736, 11691), (1953, 10392), (2232, 9093), (2598, 7812), (2604, 7794), (3031, 6696), (3348, 6062), (3464, 5859), (3897, 5208), (3906, 5196)]