20844105

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 34401024

約数和(自身を除く): 13556919

約数列:

[1, 3, 5, 15, 53, 157, 159, 167, 265, 471, 501, 785, 795, 835, 2355, 2505, 8321, 8851, 24963, 26219, 26553, 41605, 44255, 78657, 124815, 131095, 132765, 393285, 1389607, 4168821, 6948035, 20844105]

約数ペア:

[(1, 20844105), (3, 6948035), (5, 4168821), (15, 1389607), (53, 393285), (157, 132765), (159, 131095), (167, 124815), (265, 78657), (471, 44255), (501, 41605), (785, 26553), (795, 26219), (835, 24963), (2355, 8851), (2505, 8321)]