20258271

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12037}}^1$

素因数の和:12071

約数の個数: 24

約数和(自身を含む): 33802704

約数和(自身を除く): 13544433

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 12037, 36111, 108333, 132407, 204629, 397221, 613887, 1191663, 1841661, 2250919, 6752757, 20258271]

約数ペア:

[(1, 20258271), (3, 6752757), (9, 2250919), (11, 1841661), (17, 1191663), (33, 613887), (51, 397221), (99, 204629), (153, 132407), (187, 108333), (561, 36111), (1683, 12037)]