20161392748

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{182893}}^1$

素因数の和:183062

約数の個数: 48

約数和(自身を含む): 41951494144

約数和(自身を除く): 21790101396

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 127, 217, 254, 434, 508, 868, 889, 1778, 3556, 3937, 7874, 15748, 27559, 55118, 110236, 182893, 365786, 731572, 1280251, 2560502, 5121004, 5669683, 11339366, 22678732, 23227411, 39687781, 46454822, 79375562, 92909644, 158751124, 162591877, 325183754, 650367508, 720049741, 1440099482, 2880198964, 5040348187, 10080696374, 20161392748]

約数ペア:

[(1, 20161392748), (2, 10080696374), (4, 5040348187), (7, 2880198964), (14, 1440099482), (28, 720049741), (31, 650367508), (62, 325183754), (124, 162591877), (127, 158751124), (217, 92909644), (254, 79375562), (434, 46454822), (508, 39687781), (868, 23227411), (889, 22678732), (1778, 11339366), (3556, 5669683), (3937, 5121004), (7874, 2560502), (15748, 1280251), (27559, 731572), (55118, 365786), (110236, 182893)]