20734396

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:298

約数の個数: 36

約数和(自身を含む): 38980872

約数和(自身を除く): 18246476

約数列:

[1, 2, 4, 19, 38, 76, 83, 166, 173, 332, 346, 361, 692, 722, 1444, 1577, 3154, 3287, 6308, 6574, 13148, 14359, 28718, 29963, 57436, 59926, 62453, 119852, 124906, 249812, 272821, 545642, 1091284, 5183599, 10367198, 20734396]

約数ペア:

[(1, 20734396), (2, 10367198), (4, 5183599), (19, 1091284), (38, 545642), (76, 272821), (83, 249812), (166, 124906), (173, 119852), (332, 62453), (346, 59926), (361, 57436), (692, 29963), (722, 28718), (1444, 14359), (1577, 13148), (3154, 6574), (3287, 6308)]