20113695

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{63853}}^1$

素因数の和:63871

約数の個数: 24

約数和(自身を含む): 39844896

約数和(自身を除く): 19731201

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 63853, 191559, 319265, 446971, 574677, 957795, 1340913, 2234855, 2873385, 4022739, 6704565, 20113695]

約数ペア:

[(1, 20113695), (3, 6704565), (5, 4022739), (7, 2873385), (9, 2234855), (15, 1340913), (21, 957795), (35, 574677), (45, 446971), (63, 319265), (105, 191559), (315, 63853)]