20172009

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{3617}}^1$

素因数の和:3657

約数の個数: 24

約数和(自身を含む): 31780512

約数和(自身を除く): 11608503

約数列:

[1, 3, 11, 13, 33, 39, 143, 169, 429, 507, 1859, 3617, 5577, 10851, 39787, 47021, 119361, 141063, 517231, 611273, 1551693, 1833819, 6724003, 20172009]

約数ペア:

[(1, 20172009), (3, 6724003), (11, 1833819), (13, 1551693), (33, 611273), (39, 517231), (143, 141063), (169, 119361), (429, 47021), (507, 39787), (1859, 10851), (3617, 5577)]