20072495

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{479}}^1$

素因数の和:547

約数の個数: 24

約数和(自身を含む): 26524800

約数和(自身を除く): 6452305

約数列:

[1, 5, 17, 29, 85, 145, 289, 479, 493, 1445, 2395, 2465, 8143, 8381, 13891, 40715, 41905, 69455, 138431, 236147, 692155, 1180735, 4014499, 20072495]

約数ペア:

[(1, 20072495), (5, 4014499), (17, 1180735), (29, 692155), (85, 236147), (145, 138431), (289, 69455), (479, 41905), (493, 40715), (1445, 13891), (2395, 8381), (2465, 8143)]