20785100063

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{317}}^1\times {\mathrm{2347}}^1$

素因数の和:2991

約数の個数: 32

約数和(自身を含む): 25756921344

約数和(自身を除く): 4971821281

約数列:

[1, 7, 13, 91, 307, 317, 2149, 2219, 2347, 3991, 4121, 16429, 27937, 28847, 30511, 97319, 213577, 681233, 720529, 743999, 1265147, 5043703, 5207993, 8856029, 9366877, 9671987, 65568139, 67703909, 228407693, 1598853851, 2969300009, 20785100063]

約数ペア:

[(1, 20785100063), (7, 2969300009), (13, 1598853851), (91, 228407693), (307, 67703909), (317, 65568139), (2149, 9671987), (2219, 9366877), (2347, 8856029), (3991, 5207993), (4121, 5043703), (16429, 1265147), (27937, 743999), (28847, 720529), (30511, 681233), (97319, 213577)]