20805535

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{1621}}^1$

素因数の和:1794

約数の個数: 16

約数和(自身を含む): 26626752

約数和(自身を除く): 5821217

約数列:

[1, 5, 17, 85, 151, 755, 1621, 2567, 8105, 12835, 27557, 137785, 244771, 1223855, 4161107, 20805535]

約数ペア:

[(1, 20805535), (5, 4161107), (17, 1223855), (85, 244771), (151, 137785), (755, 27557), (1621, 12835), (2567, 8105)]