20659828

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43403}}^1$

素因数の和:43431

約数の個数: 24

約数和(自身を含む): 43751232

約数和(自身を除く): 23091404

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 43403, 86806, 173612, 303821, 607642, 737851, 1215284, 1475702, 2951404, 5164957, 10329914, 20659828]

約数ペア:

[(1, 20659828), (2, 10329914), (4, 5164957), (7, 2951404), (14, 1475702), (17, 1215284), (28, 737851), (34, 607642), (68, 303821), (119, 173612), (238, 86806), (476, 43403)]