20161145795

素因数分解:

$5^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{409}}^1\times {\mathrm{1163}}^1$

素因数の和:1764

約数の個数: 48

約数和(自身を含む): 28399597920

約数和(自身を除く): 8238452125

約数列:

[1, 5, 7, 35, 49, 173, 245, 409, 865, 1163, 1211, 2045, 2863, 5815, 6055, 8141, 8477, 14315, 20041, 40705, 42385, 56987, 70757, 100205, 201199, 284935, 353785, 475667, 495299, 1005995, 1408393, 2378335, 2476495, 3329669, 3467093, 7041965, 9858751, 16648345, 17335465, 23307683, 49293755, 82290391, 116538415, 411451955, 576032737, 2880163685, 4032229159, 20161145795]

約数ペア:

[(1, 20161145795), (5, 4032229159), (7, 2880163685), (35, 576032737), (49, 411451955), (173, 116538415), (245, 82290391), (409, 49293755), (865, 23307683), (1163, 17335465), (1211, 16648345), (2045, 9858751), (2863, 7041965), (5815, 3467093), (6055, 3329669), (8141, 2476495), (8477, 2378335), (14315, 1408393), (20041, 1005995), (40705, 495299), (42385, 475667), (56987, 353785), (70757, 284935), (100205, 201199)]