20117055

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{677}}^1$

素因数の和:975

約数の個数: 32

約数和(自身を含む): 36969984

約数和(自身を除く): 16852929

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 283, 677, 849, 1415, 1981, 2031, 3385, 4245, 4739, 5943, 9905, 10155, 14217, 23695, 29715, 71085, 191591, 574773, 957955, 1341137, 2873865, 4023411, 6705685, 20117055]

約数ペア:

[(1, 20117055), (3, 6705685), (5, 4023411), (7, 2873865), (15, 1341137), (21, 957955), (35, 574773), (105, 191591), (283, 71085), (677, 29715), (849, 23695), (1415, 14217), (1981, 10155), (2031, 9905), (3385, 5943), (4245, 4739)]