20163663

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 33546240

約数和(自身を除く): 13382577

約数列:

[1, 3, 9, 13, 23, 39, 59, 69, 117, 127, 177, 207, 299, 381, 531, 767, 897, 1143, 1357, 1651, 2301, 2691, 2921, 4071, 4953, 6903, 7493, 8763, 12213, 14859, 17641, 22479, 26289, 37973, 52923, 67437, 97409, 113919, 158769, 172339, 292227, 341757, 517017, 876681, 1551051, 2240407, 6721221, 20163663]

約数ペア:

[(1, 20163663), (3, 6721221), (9, 2240407), (13, 1551051), (23, 876681), (39, 517017), (59, 341757), (69, 292227), (117, 172339), (127, 158769), (177, 113919), (207, 97409), (299, 67437), (381, 52923), (531, 37973), (767, 26289), (897, 22479), (1143, 17641), (1357, 14859), (1651, 12213), (2301, 8763), (2691, 7493), (2921, 6903), (4071, 4953)]