20665128

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{78277}}^1$

素因数の和:78297

約数の個数: 32

約数和(自身を含む): 56360160

約数和(自身を除く): 35695032

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 78277, 156554, 234831, 313108, 469662, 626216, 861047, 939324, 1722094, 1878648, 2583141, 3444188, 5166282, 6888376, 10332564, 20665128]

約数ペア:

[(1, 20665128), (2, 10332564), (3, 6888376), (4, 5166282), (6, 3444188), (8, 2583141), (11, 1878648), (12, 1722094), (22, 939324), (24, 861047), (33, 626216), (44, 469662), (66, 313108), (88, 234831), (132, 156554), (264, 78277)]