20172765116

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2781683}}^1$

素因数の和:2781738

約数の個数: 36

約数和(自身を含む): 42175892808

約数和(自身を除く): 22003127692

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 518, 1036, 1813, 3626, 7252, 2781683, 5563366, 11126732, 19471781, 38943562, 77887124, 102922271, 136302467, 205844542, 272604934, 411689084, 545209868, 720455897, 1440911794, 2881823588, 5043191279, 10086382558, 20172765116]

約数ペア:

[(1, 20172765116), (2, 10086382558), (4, 5043191279), (7, 2881823588), (14, 1440911794), (28, 720455897), (37, 545209868), (49, 411689084), (74, 272604934), (98, 205844542), (148, 136302467), (196, 102922271), (259, 77887124), (518, 38943562), (1036, 19471781), (1813, 11126732), (3626, 5563366), (7252, 2781683)]