20289456

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{12809}}^1$

素因数の和:12834

約数の個数: 60

約数和(自身を含む): 61949160

約数和(自身を除く): 41659704

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 396, 528, 792, 1584, 12809, 25618, 38427, 51236, 76854, 102472, 115281, 140899, 153708, 204944, 230562, 281798, 307416, 422697, 461124, 563596, 614832, 845394, 922248, 1127192, 1268091, 1690788, 1844496, 2254384, 2536182, 3381576, 5072364, 6763152, 10144728, 20289456]

約数ペア:

[(1, 20289456), (2, 10144728), (3, 6763152), (4, 5072364), (6, 3381576), (8, 2536182), (9, 2254384), (11, 1844496), (12, 1690788), (16, 1268091), (18, 1127192), (22, 922248), (24, 845394), (33, 614832), (36, 563596), (44, 461124), (48, 422697), (66, 307416), (72, 281798), (88, 230562), (99, 204944), (132, 153708), (144, 140899), (176, 115281), (198, 102472), (264, 76854), (396, 51236), (528, 38427), (792, 25618), (1584, 12809)]