20512781349

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{1114159}}^1$

素因数の和:1114217

約数の個数: 24

約数和(自身を含む): 30563637120

約数和(自身を除く): 10050855771

約数列:

[1, 3, 17, 19, 51, 57, 323, 361, 969, 1083, 6137, 18411, 1114159, 3342477, 18940703, 21169021, 56822109, 63507063, 359873357, 402211399, 1079620071, 1206634197, 6837593783, 20512781349]

約数ペア:

[(1, 20512781349), (3, 6837593783), (17, 1206634197), (19, 1079620071), (51, 402211399), (57, 359873357), (323, 63507063), (361, 56822109), (969, 21169021), (1083, 18940703), (6137, 3342477), (18411, 1114159)]