20147738440

素因数分解:

$2^3\times 5^1\times {\mathrm{16729}}^1\times {\mathrm{30109}}^1$

素因数の和:46849

約数の個数: 32

約数和(自身を含む): 45336627000

約数和(自身を除く): 25188888560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 16729, 30109, 33458, 60218, 66916, 83645, 120436, 133832, 150545, 167290, 240872, 301090, 334580, 602180, 669160, 1204360, 503693461, 1007386922, 2014773844, 2518467305, 4029547688, 5036934610, 10073869220, 20147738440]

約数ペア:

[(1, 20147738440), (2, 10073869220), (4, 5036934610), (5, 4029547688), (8, 2518467305), (10, 2014773844), (20, 1007386922), (40, 503693461), (16729, 1204360), (30109, 669160), (33458, 602180), (60218, 334580), (66916, 301090), (83645, 240872), (120436, 167290), (133832, 150545)]