20135565

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26321}}^1$

素因数の和:26349

約数の個数: 24

約数和(自身を含む): 36956088

約数和(自身を除く): 16820523

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 26321, 78963, 131605, 236889, 394815, 447457, 1184445, 1342371, 2237285, 4027113, 6711855, 20135565]

約数ペア:

[(1, 20135565), (3, 6711855), (5, 4027113), (9, 2237285), (15, 1342371), (17, 1184445), (45, 447457), (51, 394815), (85, 236889), (153, 131605), (255, 78963), (765, 26321)]