20523777

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{3761}}^1$

素因数の和:3888

約数の個数: 16

約数和(自身を含む): 29253312

約数和(自身を除く): 8729535

約数列:

[1, 3, 17, 51, 107, 321, 1819, 3761, 5457, 11283, 63937, 191811, 402427, 1207281, 6841259, 20523777]

約数ペア:

[(1, 20523777), (3, 6841259), (17, 1207281), (51, 402427), (107, 191811), (321, 63937), (1819, 11283), (3761, 5457)]