20387822

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{1231}}^1$

素因数の和:1273

約数の個数: 36

約数和(自身を含む): 38552976

約数和(自身を除く): 18165154

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 169, 182, 338, 637, 1183, 1231, 1274, 2366, 2462, 8281, 8617, 16003, 16562, 17234, 32006, 60319, 112021, 120638, 208039, 224042, 416078, 784147, 1456273, 1568294, 2912546, 10193911, 20387822]

約数ペア:

[(1, 20387822), (2, 10193911), (7, 2912546), (13, 1568294), (14, 1456273), (26, 784147), (49, 416078), (91, 224042), (98, 208039), (169, 120638), (182, 112021), (338, 60319), (637, 32006), (1183, 17234), (1231, 16562), (1274, 16003), (2366, 8617), (2462, 8281)]