20145282076

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{69263}}^1$

素因数の和:69418

約数の個数: 48

約数和(自身を含む): 38399961600

約数和(自身を除く): 18254679524

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 89, 172, 178, 356, 817, 1634, 1691, 3268, 3382, 3827, 6764, 7654, 15308, 69263, 72713, 138526, 145426, 277052, 290852, 1315997, 2631994, 2978309, 5263988, 5956618, 6164407, 11913236, 12328814, 24657628, 56587871, 113175742, 117123733, 226351484, 234247466, 265069501, 468494932, 530139002, 1060278004, 5036320519, 10072641038, 20145282076]

約数ペア:

[(1, 20145282076), (2, 10072641038), (4, 5036320519), (19, 1060278004), (38, 530139002), (43, 468494932), (76, 265069501), (86, 234247466), (89, 226351484), (172, 117123733), (178, 113175742), (356, 56587871), (817, 24657628), (1634, 12328814), (1691, 11913236), (3268, 6164407), (3382, 5956618), (3827, 5263988), (6764, 2978309), (7654, 2631994), (15308, 1315997), (69263, 290852), (72713, 277052), (138526, 145426)]