20213595

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26423}}^1$

素因数の和:26451

約数の個数: 24

約数和(自身を含む): 37099296

約数和(自身を除く): 16885701

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 26423, 79269, 132115, 237807, 396345, 449191, 1189035, 1347573, 2245955, 4042719, 6737865, 20213595]

約数ペア:

[(1, 20213595), (3, 6737865), (5, 4042719), (9, 2245955), (15, 1347573), (17, 1189035), (45, 449191), (51, 396345), (85, 237807), (153, 132115), (255, 79269), (765, 26423)]