20012291

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{487}}^1$

素因数の和:638

約数の個数: 16

約数和(自身を含む): 22545600

約数和(自身を除く): 2533309

約数列:

[1, 13, 29, 109, 377, 487, 1417, 3161, 6331, 14123, 41093, 53083, 183599, 690079, 1539407, 20012291]

約数ペア:

[(1, 20012291), (13, 1539407), (29, 690079), (109, 183599), (377, 53083), (487, 41093), (1417, 14123), (3161, 6331)]