20950272

素因数分解:

$2^8\times 3^3\times 7^1\times {\mathrm{433}}^1$

素因数の和:465

約数の個数: 144

約数和(自身を含む): 70967680

約数和(自身を除く): 50017408

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 108, 112, 126, 128, 144, 168, 189, 192, 216, 224, 252, 256, 288, 336, 378, 384, 432, 433, 448, 504, 576, 672, 756, 768, 864, 866, 896, 1008, 1152, 1299, 1344, 1512, 1728, 1732, 1792, 2016, 2304, 2598, 2688, 3024, 3031, 3456, 3464, 3897, 4032, 5196, 5376, 6048, 6062, 6912, 6928, 7794, 8064, 9093, 10392, 11691, 12096, 12124, 13856, 15588, 16128, 18186, 20784, 23382, 24192, 24248, 27279, 27712, 31176, 36372, 41568, 46764, 48384, 48496, 54558, 55424, 62352, 72744, 81837, 83136, 93528, 96992, 109116, 110848, 124704, 145488, 163674, 166272, 187056, 193984, 218232, 249408, 290976, 327348, 332544, 374112, 387968, 436464, 498816, 581952, 654696, 748224, 775936, 872928, 997632, 1163904, 1309392, 1496448, 1745856, 2327808, 2618784, 2992896, 3491712, 5237568, 6983424, 10475136, 20950272]

約数ペア:

[(1, 20950272), (2, 10475136), (3, 6983424), (4, 5237568), (6, 3491712), (7, 2992896), (8, 2618784), (9, 2327808), (12, 1745856), (14, 1496448), (16, 1309392), (18, 1163904), (21, 997632), (24, 872928), (27, 775936), (28, 748224), (32, 654696), (36, 581952), (42, 498816), (48, 436464), (54, 387968), (56, 374112), (63, 332544), (64, 327348), (72, 290976), (84, 249408), (96, 218232), (108, 193984), (112, 187056), (126, 166272), (128, 163674), (144, 145488), (168, 124704), (189, 110848), (192, 109116), (216, 96992), (224, 93528), (252, 83136), (256, 81837), (288, 72744), (336, 62352), (378, 55424), (384, 54558), (432, 48496), (433, 48384), (448, 46764), (504, 41568), (576, 36372), (672, 31176), (756, 27712), (768, 27279), (864, 24248), (866, 24192), (896, 23382), (1008, 20784), (1152, 18186), (1299, 16128), (1344, 15588), (1512, 13856), (1728, 12124), (1732, 12096), (1792, 11691), (2016, 10392), (2304, 9093), (2598, 8064), (2688, 7794), (3024, 6928), (3031, 6912), (3456, 6062), (3464, 6048), (3897, 5376), (4032, 5196)]