20972385

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{22193}}^1$

素因数の和:22214

約数の個数: 32

約数和(自身を含む): 42612480

約数和(自身を除く): 21640095

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 22193, 66579, 110965, 155351, 199737, 332895, 466053, 599211, 776755, 998685, 1398159, 2330265, 2996055, 4194477, 6990795, 20972385]

約数ペア:

[(1, 20972385), (3, 6990795), (5, 4194477), (7, 2996055), (9, 2330265), (15, 1398159), (21, 998685), (27, 776755), (35, 599211), (45, 466053), (63, 332895), (105, 199737), (135, 155351), (189, 110965), (315, 66579), (945, 22193)]