20769084

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1129}}^1$

素因数の和:1219

約数の個数: 72

約数和(自身を含む): 60875360

約数和(自身を除く): 40106276

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 73, 84, 126, 146, 219, 252, 292, 438, 511, 657, 876, 1022, 1129, 1314, 1533, 2044, 2258, 2628, 3066, 3387, 4516, 4599, 6132, 6774, 7903, 9198, 10161, 13548, 15806, 18396, 20322, 23709, 31612, 40644, 47418, 71127, 82417, 94836, 142254, 164834, 247251, 284508, 329668, 494502, 576919, 741753, 989004, 1153838, 1483506, 1730757, 2307676, 2967012, 3461514, 5192271, 6923028, 10384542, 20769084]

約数ペア:

[(1, 20769084), (2, 10384542), (3, 6923028), (4, 5192271), (6, 3461514), (7, 2967012), (9, 2307676), (12, 1730757), (14, 1483506), (18, 1153838), (21, 989004), (28, 741753), (36, 576919), (42, 494502), (63, 329668), (73, 284508), (84, 247251), (126, 164834), (146, 142254), (219, 94836), (252, 82417), (292, 71127), (438, 47418), (511, 40644), (657, 31612), (876, 23709), (1022, 20322), (1129, 18396), (1314, 15806), (1533, 13548), (2044, 10161), (2258, 9198), (2628, 7903), (3066, 6774), (3387, 6132), (4516, 4599)]