20624275

素因数分解:

$5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1759}}^1$

素因数の和:1843

約数の個数: 24

約数和(自身を含む): 29680640

約数和(自身を除く): 9056365

約数列:

[1, 5, 7, 25, 35, 67, 175, 335, 469, 1675, 1759, 2345, 8795, 11725, 12313, 43975, 61565, 117853, 307825, 589265, 824971, 2946325, 4124855, 20624275]

約数ペア:

[(1, 20624275), (5, 4124855), (7, 2946325), (25, 824971), (35, 589265), (67, 307825), (175, 117853), (335, 61565), (469, 43975), (1675, 12313), (1759, 11725), (2345, 8795)]