20145408425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1156121}}^1$

素因数の和:1156189

約数の個数: 24

約数和(自身を含む): 27094875192

約数和(自身を除く): 6949466767

約数列:

[1, 5, 17, 25, 41, 85, 205, 425, 697, 1025, 3485, 17425, 1156121, 5780605, 19654057, 28903025, 47400961, 98270285, 237004805, 491351425, 805816337, 1185024025, 4029081685, 20145408425]

約数ペア:

[(1, 20145408425), (5, 4029081685), (17, 1185024025), (25, 805816337), (41, 491351425), (85, 237004805), (205, 98270285), (425, 47400961), (697, 28903025), (1025, 19654057), (3485, 5780605), (17425, 1156121)]