20178393988

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{853}}^1\times {\mathrm{81013}}^1$

素因数の和:81943

約数の個数: 24

約数和(自身を含む): 35838325208

約数和(自身を除く): 15659931220

約数列:

[1, 2, 4, 73, 146, 292, 853, 1706, 3412, 62269, 81013, 124538, 162026, 249076, 324052, 5913949, 11827898, 23655796, 69104089, 138208178, 276416356, 5044598497, 10089196994, 20178393988]

約数ペア:

[(1, 20178393988), (2, 10089196994), (4, 5044598497), (73, 276416356), (146, 138208178), (292, 69104089), (853, 23655796), (1706, 11827898), (3412, 5913949), (62269, 324052), (81013, 249076), (124538, 162026)]