20080825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1277}}^1$

素因数の和:1341

約数の個数: 24

約数和(自身を含む): 27098712

約数和(自身を除く): 7017887

約数列:

[1, 5, 17, 25, 37, 85, 185, 425, 629, 925, 1277, 3145, 6385, 15725, 21709, 31925, 47249, 108545, 236245, 542725, 803233, 1181225, 4016165, 20080825]

約数ペア:

[(1, 20080825), (5, 4016165), (17, 1181225), (25, 803233), (37, 542725), (85, 236245), (185, 108545), (425, 47249), (629, 31925), (925, 21709), (1277, 15725), (3145, 6385)]