20409752

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3931}}^1$

素因数の和:4007

約数の個数: 32

約数和(自身を含む): 42465600

約数和(自身を除く): 22055848

約数列:

[1, 2, 4, 8, 11, 22, 44, 59, 88, 118, 236, 472, 649, 1298, 2596, 3931, 5192, 7862, 15724, 31448, 43241, 86482, 172964, 231929, 345928, 463858, 927716, 1855432, 2551219, 5102438, 10204876, 20409752]

約数ペア:

[(1, 20409752), (2, 10204876), (4, 5102438), (8, 2551219), (11, 1855432), (22, 927716), (44, 463858), (59, 345928), (88, 231929), (118, 172964), (236, 86482), (472, 43241), (649, 31448), (1298, 15724), (2596, 7862), (3931, 5192)]