20045842945

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{612929}}^1$

素因数の和:613176

約数の個数: 16

約数和(自身を含む): 24948702720

約数和(自身を除く): 4902859775

約数列:

[1, 5, 31, 155, 211, 1055, 6541, 32705, 612929, 3064645, 19000799, 95003995, 129328019, 646640095, 4009168589, 20045842945]

約数ペア:

[(1, 20045842945), (5, 4009168589), (31, 646640095), (155, 129328019), (211, 95003995), (1055, 19000799), (6541, 3064645), (32705, 612929)]