20486256

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3209}}^1$

素因数の和:3246

約数の個数: 80

約数和(自身を含む): 63686400

約数和(自身を除く): 43200144

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 56, 57, 76, 84, 112, 114, 133, 152, 168, 228, 266, 304, 336, 399, 456, 532, 798, 912, 1064, 1596, 2128, 3192, 3209, 6384, 6418, 9627, 12836, 19254, 22463, 25672, 38508, 44926, 51344, 60971, 67389, 77016, 89852, 121942, 134778, 154032, 179704, 182913, 243884, 269556, 359408, 365826, 426797, 487768, 539112, 731652, 853594, 975536, 1078224, 1280391, 1463304, 1707188, 2560782, 2926608, 3414376, 5121564, 6828752, 10243128, 20486256]

約数ペア:

[(1, 20486256), (2, 10243128), (3, 6828752), (4, 5121564), (6, 3414376), (7, 2926608), (8, 2560782), (12, 1707188), (14, 1463304), (16, 1280391), (19, 1078224), (21, 975536), (24, 853594), (28, 731652), (38, 539112), (42, 487768), (48, 426797), (56, 365826), (57, 359408), (76, 269556), (84, 243884), (112, 182913), (114, 179704), (133, 154032), (152, 134778), (168, 121942), (228, 89852), (266, 77016), (304, 67389), (336, 60971), (399, 51344), (456, 44926), (532, 38508), (798, 25672), (912, 22463), (1064, 19254), (1596, 12836), (2128, 9627), (3192, 6418), (3209, 6384)]