20777588

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{863}}^1$

素因数の和:1343

約数の個数: 24

約数和(自身を含む): 39287808

約数和(自身を除く): 18510220

約数列:

[1, 2, 4, 13, 26, 52, 463, 863, 926, 1726, 1852, 3452, 6019, 11219, 12038, 22438, 24076, 44876, 399569, 799138, 1598276, 5194397, 10388794, 20777588]

約数ペア:

[(1, 20777588), (2, 10388794), (4, 5194397), (13, 1598276), (26, 799138), (52, 399569), (463, 44876), (863, 24076), (926, 22438), (1726, 12038), (1852, 11219), (3452, 6019)]