20817365768

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{376417}}^1$

素因数の和:376677

約数の個数: 32

約数和(自身を含む): 40472463360

約数和(自身を除く): 19655097592

約数列:

[1, 2, 4, 8, 31, 62, 124, 223, 248, 446, 892, 1784, 6913, 13826, 27652, 55304, 376417, 752834, 1505668, 3011336, 11668927, 23337854, 46675708, 83940991, 93351416, 167881982, 335763964, 671527928, 2602170721, 5204341442, 10408682884, 20817365768]

約数ペア:

[(1, 20817365768), (2, 10408682884), (4, 5204341442), (8, 2602170721), (31, 671527928), (62, 335763964), (124, 167881982), (223, 93351416), (248, 83940991), (446, 46675708), (892, 23337854), (1784, 11668927), (6913, 3011336), (13826, 1505668), (27652, 752834), (55304, 376417)]