20411286728

素因数分解:

$2^3\times 7^2\times {\mathrm{113}}^1\times {\mathrm{460793}}^1$

素因数の和:460926

約数の個数: 48

約数和(自身を含む): 44913591180

約数和(自身を除く): 24502304452

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 113, 196, 226, 392, 452, 791, 904, 1582, 3164, 5537, 6328, 11074, 22148, 44296, 460793, 921586, 1843172, 3225551, 3686344, 6451102, 12902204, 22578857, 25804408, 45157714, 52069609, 90315428, 104139218, 180630856, 208278436, 364487263, 416556872, 728974526, 1457949052, 2551410841, 2915898104, 5102821682, 10205643364, 20411286728]

約数ペア:

[(1, 20411286728), (2, 10205643364), (4, 5102821682), (7, 2915898104), (8, 2551410841), (14, 1457949052), (28, 728974526), (49, 416556872), (56, 364487263), (98, 208278436), (113, 180630856), (196, 104139218), (226, 90315428), (392, 52069609), (452, 45157714), (791, 25804408), (904, 22578857), (1582, 12902204), (3164, 6451102), (5537, 3686344), (6328, 3225551), (11074, 1843172), (22148, 921586), (44296, 460793)]