20005993077

素因数分解:

$3^1\times 7^2\times {\mathrm{1693}}^1\times {\mathrm{80387}}^1$

素因数の和:82097

約数の個数: 24

約数和(自身を含む): 31048418016

約数和(自身を除く): 11042424939

約数列:

[1, 3, 7, 21, 49, 147, 1693, 5079, 11851, 35553, 80387, 82957, 241161, 248871, 562709, 1688127, 3938963, 11816889, 136095191, 408285573, 952666337, 2857999011, 6668664359, 20005993077]

約数ペア:

[(1, 20005993077), (3, 6668664359), (7, 2857999011), (21, 952666337), (49, 408285573), (147, 136095191), (1693, 11816889), (5079, 3938963), (11851, 1688127), (35553, 562709), (80387, 248871), (82957, 241161)]