20761389

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4877}}^1$

素因数の和:4937

約数の個数: 24

約数和(自身を含む): 33482592

約数和(自身を除く): 12721203

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 4257, 4877, 14631, 43893, 53647, 160941, 209711, 482823, 629133, 1887399, 2306821, 6920463, 20761389]

約数ペア:

[(1, 20761389), (3, 6920463), (9, 2306821), (11, 1887399), (33, 629133), (43, 482823), (99, 209711), (129, 160941), (387, 53647), (473, 43893), (1419, 14631), (4257, 4877)]