20160865976

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{1783}}^1\times {\mathrm{15881}}^1$

素因数の和:17759

約数の個数: 32

約数和(自身を含む): 38250208800

約数和(自身を除く): 18089342824

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 1783, 3566, 7132, 14264, 15881, 31762, 63524, 127048, 158687, 317374, 634748, 1269496, 1413409, 2826818, 5653636, 11307272, 28315823, 56631646, 113263292, 226526584, 2520108247, 5040216494, 10080432988, 20160865976]

約数ペア:

[(1, 20160865976), (2, 10080432988), (4, 5040216494), (8, 2520108247), (89, 226526584), (178, 113263292), (356, 56631646), (712, 28315823), (1783, 11307272), (3566, 5653636), (7132, 2826818), (14264, 1413409), (15881, 1269496), (31762, 634748), (63524, 317374), (127048, 158687)]