20768877

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1327}}^1$

素因数の和:1417

約数の個数: 24

約数和(自身を含む): 31489536

約数和(自身を除く): 10720659

約数列:

[1, 3, 9, 37, 47, 111, 141, 333, 423, 1327, 1739, 3981, 5217, 11943, 15651, 49099, 62369, 147297, 187107, 441891, 561321, 2307653, 6922959, 20768877]

約数ペア:

[(1, 20768877), (3, 6922959), (9, 2307653), (37, 561321), (47, 441891), (111, 187107), (141, 147297), (333, 62369), (423, 49099), (1327, 15651), (1739, 11943), (3981, 5217)]