20620592

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1613}}^1$

素因数の和:1685

約数の個数: 40

約数和(自身を含む): 43229376

約数和(自身を除く): 22608784

約数列:

[1, 2, 4, 8, 16, 17, 34, 47, 68, 94, 136, 188, 272, 376, 752, 799, 1598, 1613, 3196, 3226, 6392, 6452, 12784, 12904, 25808, 27421, 54842, 75811, 109684, 151622, 219368, 303244, 438736, 606488, 1212976, 1288787, 2577574, 5155148, 10310296, 20620592]

約数ペア:

[(1, 20620592), (2, 10310296), (4, 5155148), (8, 2577574), (16, 1288787), (17, 1212976), (34, 606488), (47, 438736), (68, 303244), (94, 219368), (136, 151622), (188, 109684), (272, 75811), (376, 54842), (752, 27421), (799, 25808), (1598, 12904), (1613, 12784), (3196, 6452), (3226, 6392)]