20786678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1051}}^1$

素因数の和:1124

約数の個数: 32

約数和(自身を含む): 36357120

約数和(自身を除く): 15570442

約数列:

[1, 2, 11, 22, 29, 31, 58, 62, 319, 341, 638, 682, 899, 1051, 1798, 2102, 9889, 11561, 19778, 23122, 30479, 32581, 60958, 65162, 335269, 358391, 670538, 716782, 944849, 1889698, 10393339, 20786678]

約数ペア:

[(1, 20786678), (2, 10393339), (11, 1889698), (22, 944849), (29, 716782), (31, 670538), (58, 358391), (62, 335269), (319, 65162), (341, 60958), (638, 32581), (682, 30479), (899, 23122), (1051, 19778), (1798, 11561), (2102, 9889)]