20086220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13043}}^1$

素因数の和:13070

約数の個数: 48

約数和(自身を含む): 52593408

約数和(自身を除く): 32507188

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 13043, 26086, 52172, 65215, 91301, 130430, 143473, 182602, 260860, 286946, 365204, 456505, 573892, 717365, 913010, 1004311, 1434730, 1826020, 2008622, 2869460, 4017244, 5021555, 10043110, 20086220]

約数ペア:

[(1, 20086220), (2, 10043110), (4, 5021555), (5, 4017244), (7, 2869460), (10, 2008622), (11, 1826020), (14, 1434730), (20, 1004311), (22, 913010), (28, 717365), (35, 573892), (44, 456505), (55, 365204), (70, 286946), (77, 260860), (110, 182602), (140, 143473), (154, 130430), (220, 91301), (308, 65215), (385, 52172), (770, 26086), (1540, 13043)]