20842653

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{4903}}^1$

素因数の和:5028

約数の個数: 16

約数和(自身を含む): 30208640

約数和(自身を除く): 9365987

約数列:

[1, 3, 13, 39, 109, 327, 1417, 4251, 4903, 14709, 63739, 191217, 534427, 1603281, 6947551, 20842653]

約数ペア:

[(1, 20842653), (3, 6947551), (13, 1603281), (39, 534427), (109, 191217), (327, 63739), (1417, 14709), (4251, 4903)]