20354149

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{991}}^1$

素因数の和:1080

約数の個数: 16

約数和(自身を含む): 22855680

約数和(自身を除く): 2501531

約数列:

[1, 19, 23, 47, 437, 893, 991, 1081, 18829, 20539, 22793, 46577, 433067, 884963, 1071271, 20354149]

約数ペア:

[(1, 20354149), (19, 1071271), (23, 884963), (47, 433067), (437, 46577), (893, 22793), (991, 20539), (1081, 18829)]