20741710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{977}}^1$

素因数の和:1188

約数の個数: 32

約数和(自身を含む): 40982112

約数和(自身を除く): 20240402

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 193, 386, 965, 977, 1930, 1954, 2123, 4246, 4885, 9770, 10615, 10747, 21230, 21494, 53735, 107470, 188561, 377122, 942805, 1885610, 2074171, 4148342, 10370855, 20741710]

約数ペア:

[(1, 20741710), (2, 10370855), (5, 4148342), (10, 2074171), (11, 1885610), (22, 942805), (55, 377122), (110, 188561), (193, 107470), (386, 53735), (965, 21494), (977, 21230), (1930, 10747), (1954, 10615), (2123, 9770), (4246, 4885)]