20793276

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{757}}^1$

素因数の和:883

約数の個数: 72

約数和(自身を含む): 60700640

約数和(自身を除く): 39907364

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 109, 126, 218, 252, 327, 436, 654, 757, 763, 981, 1308, 1514, 1526, 1962, 2271, 2289, 3028, 3052, 3924, 4542, 4578, 5299, 6813, 6867, 9084, 9156, 10598, 13626, 13734, 15897, 21196, 27252, 27468, 31794, 47691, 63588, 82513, 95382, 165026, 190764, 247539, 330052, 495078, 577591, 742617, 990156, 1155182, 1485234, 1732773, 2310364, 2970468, 3465546, 5198319, 6931092, 10396638, 20793276]

約数ペア:

[(1, 20793276), (2, 10396638), (3, 6931092), (4, 5198319), (6, 3465546), (7, 2970468), (9, 2310364), (12, 1732773), (14, 1485234), (18, 1155182), (21, 990156), (28, 742617), (36, 577591), (42, 495078), (63, 330052), (84, 247539), (109, 190764), (126, 165026), (218, 95382), (252, 82513), (327, 63588), (436, 47691), (654, 31794), (757, 27468), (763, 27252), (981, 21196), (1308, 15897), (1514, 13734), (1526, 13626), (1962, 10598), (2271, 9156), (2289, 9084), (3028, 6867), (3052, 6813), (3924, 5299), (4542, 4578)]