20123774

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1553}}^1$

素因数の和:1616

約数の個数: 32

約数和(自身を含む): 35804160

約数和(自身を除く): 15680386

約数列:

[1, 2, 11, 19, 22, 31, 38, 62, 209, 341, 418, 589, 682, 1178, 1553, 3106, 6479, 12958, 17083, 29507, 34166, 48143, 59014, 96286, 324577, 529573, 649154, 914717, 1059146, 1829434, 10061887, 20123774]

約数ペア:

[(1, 20123774), (2, 10061887), (11, 1829434), (19, 1059146), (22, 914717), (31, 649154), (38, 529573), (62, 324577), (209, 96286), (341, 59014), (418, 48143), (589, 34166), (682, 29507), (1178, 17083), (1553, 12958), (3106, 6479)]