20857113

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5927}}^1$

素因数の和:5973

約数の個数: 24

約数和(自身を含む): 33291648

約数和(自身を除く): 12434535

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 5927, 17781, 53343, 100759, 136321, 302277, 408963, 906831, 1226889, 2317457, 6952371, 20857113]

約数ペア:

[(1, 20857113), (3, 6952371), (9, 2317457), (17, 1226889), (23, 906831), (51, 408963), (69, 302277), (153, 136321), (207, 100759), (391, 53343), (1173, 17781), (3519, 5927)]