20792445

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1217}}^1$

素因数の和:1309

約数の個数: 32

約数和(自身を含む): 35779968

約数和(自身を除く): 14987523

約数列:

[1, 3, 5, 15, 17, 51, 67, 85, 201, 255, 335, 1005, 1139, 1217, 3417, 3651, 5695, 6085, 17085, 18255, 20689, 62067, 81539, 103445, 244617, 310335, 407695, 1223085, 1386163, 4158489, 6930815, 20792445]

約数ペア:

[(1, 20792445), (3, 6930815), (5, 4158489), (15, 1386163), (17, 1223085), (51, 407695), (67, 310335), (85, 244617), (201, 103445), (255, 81539), (335, 62067), (1005, 20689), (1139, 18255), (1217, 17085), (3417, 6085), (3651, 5695)]