20237139

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{643}}^1$

素因数の和:931

約数の個数: 24

約数和(自身を含む): 31646160

約数和(自身を除く): 11409021

約数列:

[1, 3, 9, 13, 39, 117, 269, 643, 807, 1929, 2421, 3497, 5787, 8359, 10491, 25077, 31473, 75231, 172967, 518901, 1556703, 2248571, 6745713, 20237139]

約数ペア:

[(1, 20237139), (3, 6745713), (9, 2248571), (13, 1556703), (39, 518901), (117, 172967), (269, 75231), (643, 31473), (807, 25077), (1929, 10491), (2421, 8359), (3497, 5787)]