20194759

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 25038720

約数和(自身を除く): 4843961

約数列:

[1, 13, 17, 23, 29, 137, 221, 299, 377, 391, 493, 667, 1781, 2329, 3151, 3973, 5083, 6409, 8671, 11339, 30277, 40963, 51649, 53567, 67541, 91379, 147407, 696371, 878033, 1187927, 1553443, 20194759]

約数ペア:

[(1, 20194759), (13, 1553443), (17, 1187927), (23, 878033), (29, 696371), (137, 147407), (221, 91379), (299, 67541), (377, 53567), (391, 51649), (493, 40963), (667, 30277), (1781, 11339), (2329, 8671), (3151, 6409), (3973, 5083)]