20005089

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{12511}}^1$

素因数の和:12568

約数の個数: 16

約数和(自身を含む): 29428224

約数和(自身を除く): 9423135

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 12511, 37533, 162643, 487929, 512951, 1538853, 6668363, 20005089]

約数ペア:

[(1, 20005089), (3, 6668363), (13, 1538853), (39, 512951), (41, 487929), (123, 162643), (533, 37533), (1599, 12511)]