20471013

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1913}}^1$

素因数の和:1989

約数の個数: 24

約数和(自身を含む): 31351320

約数和(自身を除く): 10880307

約数列:

[1, 3, 9, 29, 41, 87, 123, 261, 369, 1189, 1913, 3567, 5739, 10701, 17217, 55477, 78433, 166431, 235299, 499293, 705897, 2274557, 6823671, 20471013]

約数ペア:

[(1, 20471013), (3, 6823671), (9, 2274557), (29, 705897), (41, 499293), (87, 235299), (123, 166431), (261, 78433), (369, 55477), (1189, 17217), (1913, 10701), (3567, 5739)]