20664045

素因数分解:

$3^3\times 5^1\times {\mathrm{153067}}^1$

素因数の和:153081

約数の個数: 16

約数和(自身を含む): 36736320

約数和(自身を除く): 16072275

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 153067, 459201, 765335, 1377603, 2296005, 4132809, 6888015, 20664045]

約数ペア:

[(1, 20664045), (3, 6888015), (5, 4132809), (9, 2296005), (15, 1377603), (27, 765335), (45, 459201), (135, 153067)]