20832399

素因数分解:

$3^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{487}}^1$

素因数の和:604

約数の個数: 36

約数和(自身を含む): 35437584

約数和(自身を除く): 14605185

約数列:

[1, 3, 7, 9, 21, 49, 63, 97, 147, 291, 441, 487, 679, 873, 1461, 2037, 3409, 4383, 4753, 6111, 10227, 14259, 23863, 30681, 42777, 47239, 71589, 141717, 214767, 330673, 425151, 992019, 2314711, 2976057, 6944133, 20832399]

約数ペア:

[(1, 20832399), (3, 6944133), (7, 2976057), (9, 2314711), (21, 992019), (49, 425151), (63, 330673), (97, 214767), (147, 141717), (291, 71589), (441, 47239), (487, 42777), (679, 30681), (873, 23863), (1461, 14259), (2037, 10227), (3409, 6111), (4383, 4753)]