20111371370

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{179}}^1\times {\mathrm{31123}}^1$

素因数の和:31347

約数の個数: 48

約数和(自身を含む): 38420710560

約数和(自身を除く): 18309339190

約数列:

[1, 2, 5, 10, 19, 38, 95, 179, 190, 358, 361, 722, 895, 1790, 1805, 3401, 3610, 6802, 17005, 31123, 34010, 62246, 64619, 129238, 155615, 311230, 323095, 591337, 646190, 1182674, 2956685, 5571017, 5913370, 11142034, 11235403, 22470806, 27855085, 55710170, 56177015, 105849323, 112354030, 211698646, 529246615, 1058493230, 2011137137, 4022274274, 10055685685, 20111371370]

約数ペア:

[(1, 20111371370), (2, 10055685685), (5, 4022274274), (10, 2011137137), (19, 1058493230), (38, 529246615), (95, 211698646), (179, 112354030), (190, 105849323), (358, 56177015), (361, 55710170), (722, 27855085), (895, 22470806), (1790, 11235403), (1805, 11142034), (3401, 5913370), (3610, 5571017), (6802, 2956685), (17005, 1182674), (31123, 646190), (34010, 591337), (62246, 323095), (64619, 311230), (129238, 155615)]