20550385

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{2153}}^1$

素因数の和:2264

約数の個数: 16

約数和(自身を含む): 26054784

約数和(自身を除く): 5504399

約数列:

[1, 5, 23, 83, 115, 415, 1909, 2153, 9545, 10765, 49519, 178699, 247595, 893495, 4110077, 20550385]

約数ペア:

[(1, 20550385), (5, 4110077), (23, 893495), (83, 247595), (115, 178699), (415, 49519), (1909, 10765), (2153, 9545)]