20473797

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 9939003

約数列:

[1, 3, 17, 29, 51, 87, 109, 127, 327, 381, 493, 1479, 1853, 2159, 3161, 3683, 5559, 6477, 9483, 11049, 13843, 41529, 53737, 62611, 161211, 187833, 235331, 401447, 705993, 1204341, 6824599, 20473797]

約数ペア:

[(1, 20473797), (3, 6824599), (17, 1204341), (29, 705993), (51, 401447), (87, 235331), (109, 187833), (127, 161211), (327, 62611), (381, 53737), (493, 41529), (1479, 13843), (1853, 11049), (2159, 9483), (3161, 6477), (3683, 5559)]