20218095

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12143}}^1$

素因数の和:12191

約数の個数: 24

約数和(自身を含む): 35994816

約数和(自身を除く): 15776721

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1665, 12143, 36429, 60715, 109287, 182145, 449291, 546435, 1347873, 2246455, 4043619, 6739365, 20218095]

約数ペア:

[(1, 20218095), (3, 6739365), (5, 4043619), (9, 2246455), (15, 1347873), (37, 546435), (45, 449291), (111, 182145), (185, 109287), (333, 60715), (555, 36429), (1665, 12143)]