20368215

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{64661}}^1$

素因数の和:64679

約数の個数: 24

約数和(自身を含む): 40349088

約数和(自身を除く): 19980873

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 64661, 193983, 323305, 452627, 581949, 969915, 1357881, 2263135, 2909745, 4073643, 6789405, 20368215]

約数ペア:

[(1, 20368215), (3, 6789405), (5, 4073643), (7, 2909745), (9, 2263135), (15, 1357881), (21, 969915), (35, 581949), (45, 452627), (63, 323305), (105, 193983), (315, 64661)]