20085195417

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{68449}}^1$

素因数の和:68705

約数の個数: 32

約数和(自身を含む): 31147488000

約数和(自身を除く): 11062292583

約数列:

[1, 3, 7, 21, 89, 157, 267, 471, 623, 1099, 1869, 3297, 13973, 41919, 68449, 97811, 205347, 293433, 479143, 1437429, 6091961, 10746493, 18275883, 32239479, 42643727, 75225451, 127931181, 225676353, 956437877, 2869313631, 6695065139, 20085195417]

約数ペア:

[(1, 20085195417), (3, 6695065139), (7, 2869313631), (21, 956437877), (89, 225676353), (157, 127931181), (267, 75225451), (471, 42643727), (623, 32239479), (1099, 18275883), (1869, 10746493), (3297, 6091961), (13973, 1437429), (41919, 479143), (68449, 293433), (97811, 205347)]