20297852

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{653}}^1$

素因数の和:1085

約数の個数: 24

約数和(自身を含む): 37539600

約数和(自身を除く): 17241748

約数列:

[1, 2, 4, 19, 38, 76, 409, 653, 818, 1306, 1636, 2612, 7771, 12407, 15542, 24814, 31084, 49628, 267077, 534154, 1068308, 5074463, 10148926, 20297852]

約数ペア:

[(1, 20297852), (2, 10148926), (4, 5074463), (19, 1068308), (38, 534154), (76, 267077), (409, 49628), (653, 31084), (818, 24814), (1306, 15542), (1636, 12407), (2612, 7771)]