20547978

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:152

約数の個数: 64

約数和(自身を含む): 47222784

約数和(自身を除く): 26674806

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 62, 66, 83, 93, 121, 166, 186, 242, 249, 341, 363, 498, 682, 726, 913, 1023, 1331, 1826, 2046, 2573, 2662, 2739, 3751, 3993, 5146, 5478, 7502, 7719, 7986, 10043, 11253, 15438, 20086, 22506, 28303, 30129, 41261, 56606, 60258, 82522, 84909, 110473, 123783, 169818, 220946, 247566, 311333, 331419, 622666, 662838, 933999, 1867998, 3424663, 6849326, 10273989, 20547978]

約数ペア:

[(1, 20547978), (2, 10273989), (3, 6849326), (6, 3424663), (11, 1867998), (22, 933999), (31, 662838), (33, 622666), (62, 331419), (66, 311333), (83, 247566), (93, 220946), (121, 169818), (166, 123783), (186, 110473), (242, 84909), (249, 82522), (341, 60258), (363, 56606), (498, 41261), (682, 30129), (726, 28303), (913, 22506), (1023, 20086), (1331, 15438), (1826, 11253), (2046, 10043), (2573, 7986), (2662, 7719), (2739, 7502), (3751, 5478), (3993, 5146)]