20397422493

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1879}}^1\times {\mathrm{4657}}^1$

素因数の和:6586

約数の個数: 48

約数和(自身を含む): 34607822080

約数和(自身を除く): 14210399587

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 1879, 2331, 4657, 5637, 13153, 13971, 16911, 32599, 39459, 41913, 69523, 97797, 118377, 172309, 208569, 293391, 486661, 516927, 625707, 1206163, 1459983, 1550781, 3618489, 4379949, 8750503, 10855467, 26251509, 61253521, 78754527, 183760563, 323768611, 551281689, 971305833, 2266380277, 2913917499, 6799140831, 20397422493]

約数ペア:

[(1, 20397422493), (3, 6799140831), (7, 2913917499), (9, 2266380277), (21, 971305833), (37, 551281689), (63, 323768611), (111, 183760563), (259, 78754527), (333, 61253521), (777, 26251509), (1879, 10855467), (2331, 8750503), (4657, 4379949), (5637, 3618489), (13153, 1550781), (13971, 1459983), (16911, 1206163), (32599, 625707), (39459, 516927), (41913, 486661), (69523, 293391), (97797, 208569), (118377, 172309)]