20585488

素因数分解:

$2^4\times 7^3\times {\mathrm{11}}^2\times {\mathrm{31}}^1$

素因数の和:82

約数の個数: 120

約数和(自身を含む): 52774400

約数和(自身を除く): 32188912

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 44, 49, 56, 62, 77, 88, 98, 112, 121, 124, 154, 176, 196, 217, 242, 248, 308, 341, 343, 392, 434, 484, 496, 539, 616, 682, 686, 784, 847, 868, 968, 1078, 1232, 1364, 1372, 1519, 1694, 1736, 1936, 2156, 2387, 2728, 2744, 3038, 3388, 3472, 3751, 3773, 4312, 4774, 5456, 5488, 5929, 6076, 6776, 7502, 7546, 8624, 9548, 10633, 11858, 12152, 13552, 15004, 15092, 16709, 19096, 21266, 23716, 24304, 26257, 30008, 30184, 33418, 38192, 41503, 42532, 47432, 52514, 60016, 60368, 66836, 83006, 85064, 94864, 105028, 116963, 133672, 166012, 170128, 183799, 210056, 233926, 267344, 332024, 367598, 420112, 467852, 664048, 735196, 935704, 1286593, 1470392, 1871408, 2573186, 2940784, 5146372, 10292744, 20585488]

約数ペア:

[(1, 20585488), (2, 10292744), (4, 5146372), (7, 2940784), (8, 2573186), (11, 1871408), (14, 1470392), (16, 1286593), (22, 935704), (28, 735196), (31, 664048), (44, 467852), (49, 420112), (56, 367598), (62, 332024), (77, 267344), (88, 233926), (98, 210056), (112, 183799), (121, 170128), (124, 166012), (154, 133672), (176, 116963), (196, 105028), (217, 94864), (242, 85064), (248, 83006), (308, 66836), (341, 60368), (343, 60016), (392, 52514), (434, 47432), (484, 42532), (496, 41503), (539, 38192), (616, 33418), (682, 30184), (686, 30008), (784, 26257), (847, 24304), (868, 23716), (968, 21266), (1078, 19096), (1232, 16709), (1364, 15092), (1372, 15004), (1519, 13552), (1694, 12152), (1736, 11858), (1936, 10633), (2156, 9548), (2387, 8624), (2728, 7546), (2744, 7502), (3038, 6776), (3388, 6076), (3472, 5929), (3751, 5488), (3773, 5456), (4312, 4774)]