20775513

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1277}}^1$

素因数の和:1337

約数の個数: 32

約数和(自身を含む): 33125760

約数和(自身を除く): 12350247

約数列:

[1, 3, 11, 17, 29, 33, 51, 87, 187, 319, 493, 561, 957, 1277, 1479, 3831, 5423, 14047, 16269, 21709, 37033, 42141, 65127, 111099, 238799, 407363, 629561, 716397, 1222089, 1888683, 6925171, 20775513]

約数ペア:

[(1, 20775513), (3, 6925171), (11, 1888683), (17, 1222089), (29, 716397), (33, 629561), (51, 407363), (87, 238799), (187, 111099), (319, 65127), (493, 42141), (561, 37033), (957, 21709), (1277, 16269), (1479, 14047), (3831, 5423)]