20781617758

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{1497019}}^1$

素因数の和:1497663

約数の個数: 16

約数和(自身を含む): 34060199040

約数和(自身を除く): 13278581282

約数列:

[1, 2, 11, 22, 631, 1262, 6941, 13882, 1497019, 2994038, 16467209, 32934418, 944618989, 1889237978, 10390808879, 20781617758]

約数ペア:

[(1, 20781617758), (2, 10390808879), (11, 1889237978), (22, 944618989), (631, 32934418), (1262, 16467209), (6941, 2994038), (13882, 1497019)]