20892905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{13099}}^1$

素因数の和:13144

約数の個数: 16

約数和(自身を含む): 28296000

約数和(自身を除く): 7403095

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 13099, 65495, 144089, 379871, 720445, 1899355, 4178581, 20892905]

約数ペア:

[(1, 20892905), (5, 4178581), (11, 1899355), (29, 720445), (55, 379871), (145, 144089), (319, 65495), (1595, 13099)]