20795236

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{631}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 45868032

約数和(自身を除く): 25072796

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 107, 154, 214, 308, 428, 631, 749, 1177, 1262, 1498, 2354, 2524, 2996, 4417, 4708, 6941, 8239, 8834, 13882, 16478, 17668, 27764, 32956, 48587, 67517, 97174, 135034, 194348, 270068, 472619, 742687, 945238, 1485374, 1890476, 2970748, 5198809, 10397618, 20795236]

約数ペア:

[(1, 20795236), (2, 10397618), (4, 5198809), (7, 2970748), (11, 1890476), (14, 1485374), (22, 945238), (28, 742687), (44, 472619), (77, 270068), (107, 194348), (154, 135034), (214, 97174), (308, 67517), (428, 48587), (631, 32956), (749, 27764), (1177, 17668), (1262, 16478), (1498, 13882), (2354, 8834), (2524, 8239), (2996, 6941), (4417, 4708)]