20199867093

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{324199}}^1$

素因数の和:324278

約数の個数: 48

約数和(自身を含む): 35604940800

約数和(自身を除く): 15405073707

約数列:

[1, 3, 7, 9, 21, 23, 43, 63, 69, 129, 161, 207, 301, 387, 483, 903, 989, 1449, 2709, 2967, 6923, 8901, 20769, 62307, 324199, 972597, 2269393, 2917791, 6808179, 7456577, 13940557, 20424537, 22369731, 41821671, 52196039, 67109193, 97583899, 125465013, 156588117, 292751697, 320632811, 469764351, 878255091, 961898433, 2244429677, 2885695299, 6733289031, 20199867093]

約数ペア:

[(1, 20199867093), (3, 6733289031), (7, 2885695299), (9, 2244429677), (21, 961898433), (23, 878255091), (43, 469764351), (63, 320632811), (69, 292751697), (129, 156588117), (161, 125465013), (207, 97583899), (301, 67109193), (387, 52196039), (483, 41821671), (903, 22369731), (989, 20424537), (1449, 13940557), (2709, 7456577), (2967, 6808179), (6923, 2917791), (8901, 2269393), (20769, 972597), (62307, 324199)]