20650399

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{719}}^1$

素因数の和:1110

約数の個数: 16

約数和(自身を含む): 25850880

約数和(自身を除く): 5200481

約数列:

[1, 7, 11, 77, 373, 719, 2611, 4103, 5033, 7909, 28721, 55363, 268187, 1877309, 2950057, 20650399]

約数ペア:

[(1, 20650399), (7, 2950057), (11, 1877309), (77, 268187), (373, 55363), (719, 28721), (2611, 7909), (4103, 5033)]