20201883856

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{21491}}^1$

素因数の和:21633

約数の個数: 120

約数和(自身を含む): 50128800480

約数和(自身を除く): 29926916624

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 109, 112, 154, 176, 196, 218, 308, 392, 436, 539, 616, 763, 784, 872, 1078, 1199, 1232, 1526, 1744, 2156, 2398, 3052, 4312, 4796, 5341, 6104, 8393, 8624, 9592, 10682, 12208, 16786, 19184, 21364, 21491, 33572, 42728, 42982, 58751, 67144, 85456, 85964, 117502, 134288, 150437, 171928, 235004, 236401, 300874, 343856, 470008, 472802, 601748, 940016, 945604, 1053059, 1203496, 1654807, 1891208, 2106118, 2342519, 2406992, 3309614, 3782416, 4212236, 4685038, 6619228, 8424472, 9370076, 11583649, 13238456, 16397633, 16848944, 18740152, 23167298, 25767709, 26476912, 32795266, 37480304, 46334596, 51535418, 65590532, 92669192, 103070836, 114783431, 131181064, 180373963, 185338384, 206141672, 229566862, 262362128, 360747926, 412283344, 459133724, 721495852, 918267448, 1262617741, 1442991704, 1836534896, 2525235482, 2885983408, 5050470964, 10100941928, 20201883856]

約数ペア:

[(1, 20201883856), (2, 10100941928), (4, 5050470964), (7, 2885983408), (8, 2525235482), (11, 1836534896), (14, 1442991704), (16, 1262617741), (22, 918267448), (28, 721495852), (44, 459133724), (49, 412283344), (56, 360747926), (77, 262362128), (88, 229566862), (98, 206141672), (109, 185338384), (112, 180373963), (154, 131181064), (176, 114783431), (196, 103070836), (218, 92669192), (308, 65590532), (392, 51535418), (436, 46334596), (539, 37480304), (616, 32795266), (763, 26476912), (784, 25767709), (872, 23167298), (1078, 18740152), (1199, 16848944), (1232, 16397633), (1526, 13238456), (1744, 11583649), (2156, 9370076), (2398, 8424472), (3052, 6619228), (4312, 4685038), (4796, 4212236), (5341, 3782416), (6104, 3309614), (8393, 2406992), (8624, 2342519), (9592, 2106118), (10682, 1891208), (12208, 1654807), (16786, 1203496), (19184, 1053059), (21364, 945604), (21491, 940016), (33572, 601748), (42728, 472802), (42982, 470008), (58751, 343856), (67144, 300874), (85456, 236401), (85964, 235004), (117502, 171928), (134288, 150437)]