20161610896

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4186381}}^1$

素因数の和:4186439

約数の個数: 40

約数和(自身を含む): 45681800384

約数和(自身を除く): 25520189488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 4816, 4186381, 8372762, 16745524, 29304667, 33491048, 58609334, 66982096, 117218668, 180014383, 234437336, 360028766, 468874672, 720057532, 1260100681, 1440115064, 2520201362, 2880230128, 5040402724, 10080805448, 20161610896]

約数ペア:

[(1, 20161610896), (2, 10080805448), (4, 5040402724), (7, 2880230128), (8, 2520201362), (14, 1440115064), (16, 1260100681), (28, 720057532), (43, 468874672), (56, 360028766), (86, 234437336), (112, 180014383), (172, 117218668), (301, 66982096), (344, 58609334), (602, 33491048), (688, 29304667), (1204, 16745524), (2408, 8372762), (4816, 4186381)]