20804952

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3347}}^1$

素因数の和:3400

約数の個数: 64

約数和(自身を含む): 61067520

約数和(自身を除く): 40262568

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 56, 74, 84, 111, 148, 168, 222, 259, 296, 444, 518, 777, 888, 1036, 1554, 2072, 3108, 3347, 6216, 6694, 10041, 13388, 20082, 23429, 26776, 40164, 46858, 70287, 80328, 93716, 123839, 140574, 187432, 247678, 281148, 371517, 495356, 562296, 743034, 866873, 990712, 1486068, 1733746, 2600619, 2972136, 3467492, 5201238, 6934984, 10402476, 20804952]

約数ペア:

[(1, 20804952), (2, 10402476), (3, 6934984), (4, 5201238), (6, 3467492), (7, 2972136), (8, 2600619), (12, 1733746), (14, 1486068), (21, 990712), (24, 866873), (28, 743034), (37, 562296), (42, 495356), (56, 371517), (74, 281148), (84, 247678), (111, 187432), (148, 140574), (168, 123839), (222, 93716), (259, 80328), (296, 70287), (444, 46858), (518, 40164), (777, 26776), (888, 23429), (1036, 20082), (1554, 13388), (2072, 10041), (3108, 6694), (3347, 6216)]