20065491

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{419}}^1$

素因数の和:755

約数の個数: 24

約数和(自身を含む): 30859920

約数和(自身を除く): 10794429

約数列:

[1, 3, 9, 17, 51, 153, 313, 419, 939, 1257, 2817, 3771, 5321, 7123, 15963, 21369, 47889, 64107, 131147, 393441, 1180323, 2229499, 6688497, 20065491]

約数ペア:

[(1, 20065491), (3, 6688497), (9, 2229499), (17, 1180323), (51, 393441), (153, 131147), (313, 64107), (419, 47889), (939, 21369), (1257, 15963), (2817, 7123), (3771, 5321)]