20790855

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12487}}^1$

素因数の和:12535

約数の個数: 24

約数和(自身を含む): 37014432

約数和(自身を除く): 16223577

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1665, 12487, 37461, 62435, 112383, 187305, 462019, 561915, 1386057, 2310095, 4158171, 6930285, 20790855]

約数ペア:

[(1, 20790855), (3, 6930285), (5, 4158171), (9, 2310095), (15, 1386057), (37, 561915), (45, 462019), (111, 187305), (185, 112383), (333, 62435), (555, 37461), (1665, 12487)]