20663109

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4657}}^1$

素因数の和:4709

約数の個数: 24

約数和(自身を含む): 32699160

約数和(自身を除く): 12036051

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 4437, 4657, 13971, 41913, 79169, 135053, 237507, 405159, 712521, 1215477, 2295901, 6887703, 20663109]

約数ペア:

[(1, 20663109), (3, 6887703), (9, 2295901), (17, 1215477), (29, 712521), (51, 405159), (87, 237507), (153, 135053), (261, 79169), (493, 41913), (1479, 13971), (4437, 4657)]