20893833

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{277}}^1$

素因数の和:346

約数の個数: 36

約数和(自身を含む): 33284940

約数和(自身を除く): 12391107

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 277, 289, 493, 831, 867, 1479, 2493, 2601, 4437, 4709, 8033, 8381, 14127, 24099, 25143, 42381, 72297, 75429, 80053, 136561, 240159, 409683, 720477, 1229049, 2321537, 6964611, 20893833]

約数ペア:

[(1, 20893833), (3, 6964611), (9, 2321537), (17, 1229049), (29, 720477), (51, 409683), (87, 240159), (153, 136561), (261, 80053), (277, 75429), (289, 72297), (493, 42381), (831, 25143), (867, 24099), (1479, 14127), (2493, 8381), (2601, 8033), (4437, 4709)]