17447140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21277}}^1$

素因数の和:21327

約数の個数: 24

約数和(自身を含む): 37534392

約数和(自身を除く): 20087252

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 21277, 42554, 85108, 106385, 212770, 425540, 872357, 1744714, 3489428, 4361785, 8723570, 17447140]

約数ペア:

[(1, 17447140), (2, 8723570), (4, 4361785), (5, 3489428), (10, 1744714), (20, 872357), (41, 425540), (82, 212770), (164, 106385), (205, 85108), (410, 42554), (820, 21277)]