20892135

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{997}}^1$

素因数の和:1143

約数の個数: 32

約数和(自身を含む): 36790272

約数和(自身を除く): 15898137

約数列:

[1, 3, 5, 11, 15, 33, 55, 127, 165, 381, 635, 997, 1397, 1905, 2991, 4191, 4985, 6985, 10967, 14955, 20955, 32901, 54835, 126619, 164505, 379857, 633095, 1392809, 1899285, 4178427, 6964045, 20892135]

約数ペア:

[(1, 20892135), (3, 6964045), (5, 4178427), (11, 1899285), (15, 1392809), (33, 633095), (55, 379857), (127, 164505), (165, 126619), (381, 54835), (635, 32901), (997, 20955), (1397, 14955), (1905, 10967), (2991, 6985), (4191, 4985)]