20201113821

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{8083679}}^1$

素因数の和:8083713

約数の個数: 24

約数和(自身を含む): 33175422720

約数和(自身を除く): 12974308899

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 8083679, 24251037, 56585753, 137422543, 169757259, 396100271, 412267629, 961957801, 1188300813, 2885873403, 6733704607, 20201113821]

約数ペア:

[(1, 20201113821), (3, 6733704607), (7, 2885873403), (17, 1188300813), (21, 961957801), (49, 412267629), (51, 396100271), (119, 169757259), (147, 137422543), (357, 56585753), (833, 24251037), (2499, 8083679)]