20125671

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:343

約数の個数: 24

約数和(自身を含む): 28882560

約数和(自身を除く): 8756889

約数列:

[1, 3, 17, 51, 139, 167, 289, 417, 501, 867, 2363, 2839, 7089, 8517, 23213, 40171, 48263, 69639, 120513, 144789, 394621, 1183863, 6708557, 20125671]

約数ペア:

[(1, 20125671), (3, 6708557), (17, 1183863), (51, 394621), (139, 144789), (167, 120513), (289, 69639), (417, 48263), (501, 40171), (867, 23213), (2363, 8517), (2839, 7089)]