20173888728

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{691}}^1\times {\mathrm{19309}}^1$

素因数の和:20022

約数の個数: 128

約数和(自身を含む): 64140096000

約数和(自身を除く): 43966207272

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 691, 756, 1382, 1512, 2073, 2764, 4146, 4837, 5528, 6219, 8292, 9674, 12438, 14511, 16584, 18657, 19309, 19348, 24876, 29022, 37314, 38618, 38696, 43533, 49752, 57927, 58044, 74628, 77236, 87066, 115854, 116088, 130599, 135163, 149256, 154472, 173781, 174132, 231708, 261198, 270326, 347562, 348264, 405489, 463416, 521343, 522396, 540652, 695124, 810978, 1042686, 1044792, 1081304, 1216467, 1390248, 1621956, 2085372, 2432934, 3243912, 3649401, 4170744, 4865868, 7298802, 9731736, 13342519, 14597604, 26685038, 29195208, 40027557, 53370076, 80055114, 93397633, 106740152, 120082671, 160110228, 186795266, 240165342, 280192899, 320220456, 360248013, 373590532, 480330684, 560385798, 720496026, 747181064, 840578697, 960661368, 1120771596, 1440992052, 1681157394, 2241543192, 2521736091, 2881984104, 3362314788, 5043472182, 6724629576, 10086944364, 20173888728]

約数ペア:

[(1, 20173888728), (2, 10086944364), (3, 6724629576), (4, 5043472182), (6, 3362314788), (7, 2881984104), (8, 2521736091), (9, 2241543192), (12, 1681157394), (14, 1440992052), (18, 1120771596), (21, 960661368), (24, 840578697), (27, 747181064), (28, 720496026), (36, 560385798), (42, 480330684), (54, 373590532), (56, 360248013), (63, 320220456), (72, 280192899), (84, 240165342), (108, 186795266), (126, 160110228), (168, 120082671), (189, 106740152), (216, 93397633), (252, 80055114), (378, 53370076), (504, 40027557), (691, 29195208), (756, 26685038), (1382, 14597604), (1512, 13342519), (2073, 9731736), (2764, 7298802), (4146, 4865868), (4837, 4170744), (5528, 3649401), (6219, 3243912), (8292, 2432934), (9674, 2085372), (12438, 1621956), (14511, 1390248), (16584, 1216467), (18657, 1081304), (19309, 1044792), (19348, 1042686), (24876, 810978), (29022, 695124), (37314, 540652), (38618, 522396), (38696, 521343), (43533, 463416), (49752, 405489), (57927, 348264), (58044, 347562), (74628, 270326), (77236, 261198), (87066, 231708), (115854, 174132), (116088, 173781), (130599, 154472), (135163, 149256)]