20182437

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:502

約数の個数: 36

約数和(自身を含む): 32864832

約数和(自身を除く): 12682395

約数列:

[1, 3, 9, 11, 33, 43, 99, 121, 129, 363, 387, 431, 473, 1089, 1293, 1419, 3879, 4257, 4741, 5203, 14223, 15609, 18533, 42669, 46827, 52151, 55599, 156453, 166797, 203863, 469359, 611589, 1834767, 2242493, 6727479, 20182437]

約数ペア:

[(1, 20182437), (3, 6727479), (9, 2242493), (11, 1834767), (33, 611589), (43, 469359), (99, 203863), (121, 166797), (129, 156453), (363, 55599), (387, 52151), (431, 46827), (473, 42669), (1089, 18533), (1293, 15609), (1419, 14223), (3879, 5203), (4257, 4741)]