20163586709

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{271}}^1\times {\mathrm{283}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 24605650944

約数和(自身を除く): 4442064235

約数列:

[1, 7, 23, 71, 161, 271, 283, 497, 529, 1633, 1897, 1981, 3703, 6233, 6509, 11431, 19241, 20093, 37559, 43631, 45563, 76693, 134687, 140651, 143359, 149707, 262913, 442543, 462139, 536851, 1003513, 1047949, 1763939, 3097801, 3234973, 5445203, 10178489, 10629197, 12347573, 38116421, 40570597, 71249423, 74404379, 125239669, 283994179, 876677683, 2880512387, 20163586709]

約数ペア:

[(1, 20163586709), (7, 2880512387), (23, 876677683), (71, 283994179), (161, 125239669), (271, 74404379), (283, 71249423), (497, 40570597), (529, 38116421), (1633, 12347573), (1897, 10629197), (1981, 10178489), (3703, 5445203), (6233, 3234973), (6509, 3097801), (11431, 1763939), (19241, 1047949), (20093, 1003513), (37559, 536851), (43631, 462139), (45563, 442543), (76693, 262913), (134687, 149707), (140651, 143359)]