20953086

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:91

約数の個数: 144

約数和(自身を含む): 58222080

約数和(自身を除く): 37268994

約数列:

[1, 2, 3, 6, 7, 11, 14, 19, 21, 22, 31, 33, 38, 42, 49, 57, 62, 66, 77, 93, 98, 114, 121, 133, 147, 154, 186, 209, 217, 231, 242, 266, 294, 341, 363, 399, 418, 434, 462, 539, 589, 627, 651, 682, 726, 798, 847, 931, 1023, 1078, 1178, 1254, 1302, 1463, 1519, 1617, 1694, 1767, 1862, 2046, 2299, 2387, 2541, 2793, 2926, 3038, 3234, 3534, 3751, 4123, 4389, 4557, 4598, 4774, 5082, 5586, 5929, 6479, 6897, 7161, 7502, 8246, 8778, 9114, 10241, 11253, 11858, 12369, 12958, 13794, 14322, 16093, 16709, 17787, 19437, 20482, 22506, 24738, 26257, 28861, 30723, 32186, 33418, 35574, 38874, 45353, 48279, 50127, 52514, 57722, 61446, 71269, 78771, 86583, 90706, 96558, 100254, 112651, 136059, 142538, 157542, 173166, 183799, 213807, 225302, 272118, 317471, 337953, 367598, 427614, 498883, 551397, 634942, 675906, 952413, 997766, 1102794, 1496649, 1904826, 2993298, 3492181, 6984362, 10476543, 20953086]

約数ペア:

[(1, 20953086), (2, 10476543), (3, 6984362), (6, 3492181), (7, 2993298), (11, 1904826), (14, 1496649), (19, 1102794), (21, 997766), (22, 952413), (31, 675906), (33, 634942), (38, 551397), (42, 498883), (49, 427614), (57, 367598), (62, 337953), (66, 317471), (77, 272118), (93, 225302), (98, 213807), (114, 183799), (121, 173166), (133, 157542), (147, 142538), (154, 136059), (186, 112651), (209, 100254), (217, 96558), (231, 90706), (242, 86583), (266, 78771), (294, 71269), (341, 61446), (363, 57722), (399, 52514), (418, 50127), (434, 48279), (462, 45353), (539, 38874), (589, 35574), (627, 33418), (651, 32186), (682, 30723), (726, 28861), (798, 26257), (847, 24738), (931, 22506), (1023, 20482), (1078, 19437), (1178, 17787), (1254, 16709), (1302, 16093), (1463, 14322), (1519, 13794), (1617, 12958), (1694, 12369), (1767, 11858), (1862, 11253), (2046, 10241), (2299, 9114), (2387, 8778), (2541, 8246), (2793, 7502), (2926, 7161), (3038, 6897), (3234, 6479), (3534, 5929), (3751, 5586), (4123, 5082), (4389, 4774), (4557, 4598)]