20617168

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9011}}^1$

素因数の和:9043

約数の個数: 40

約数和(自身を含む): 46934496

約数和(自身を除く): 26317328

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 9011, 18022, 36044, 72088, 99121, 117143, 144176, 198242, 234286, 396484, 468572, 792968, 937144, 1288573, 1585936, 1874288, 2577146, 5154292, 10308584, 20617168]

約数ペア:

[(1, 20617168), (2, 10308584), (4, 5154292), (8, 2577146), (11, 1874288), (13, 1585936), (16, 1288573), (22, 937144), (26, 792968), (44, 468572), (52, 396484), (88, 234286), (104, 198242), (143, 144176), (176, 117143), (208, 99121), (286, 72088), (572, 36044), (1144, 18022), (2288, 9011)]