20399346

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{383}}^1$

素因数の和:671

約数の個数: 48

約数和(自身を含む): 48522240

約数和(自身を除く): 28122894

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 269, 383, 538, 766, 807, 1149, 1614, 2298, 2421, 2959, 3447, 4213, 4842, 5918, 6894, 8426, 8877, 12639, 17754, 25278, 26631, 37917, 53262, 75834, 103027, 206054, 309081, 618162, 927243, 1133297, 1854486, 2266594, 3399891, 6799782, 10199673, 20399346]

約数ペア:

[(1, 20399346), (2, 10199673), (3, 6799782), (6, 3399891), (9, 2266594), (11, 1854486), (18, 1133297), (22, 927243), (33, 618162), (66, 309081), (99, 206054), (198, 103027), (269, 75834), (383, 53262), (538, 37917), (766, 26631), (807, 25278), (1149, 17754), (1614, 12639), (2298, 8877), (2421, 8426), (2959, 6894), (3447, 5918), (4213, 4842)]