20528856

素因数分解:

$2^3\times 3^3\times {\mathrm{101}}^1\times {\mathrm{941}}^1$

素因数の和:1057

約数の個数: 64

約数和(自身を含む): 57650400

約数和(自身を除く): 37121544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 101, 108, 202, 216, 303, 404, 606, 808, 909, 941, 1212, 1818, 1882, 2424, 2727, 2823, 3636, 3764, 5454, 5646, 7272, 7528, 8469, 10908, 11292, 16938, 21816, 22584, 25407, 33876, 50814, 67752, 95041, 101628, 190082, 203256, 285123, 380164, 570246, 760328, 855369, 1140492, 1710738, 2280984, 2566107, 3421476, 5132214, 6842952, 10264428, 20528856]

約数ペア:

[(1, 20528856), (2, 10264428), (3, 6842952), (4, 5132214), (6, 3421476), (8, 2566107), (9, 2280984), (12, 1710738), (18, 1140492), (24, 855369), (27, 760328), (36, 570246), (54, 380164), (72, 285123), (101, 203256), (108, 190082), (202, 101628), (216, 95041), (303, 67752), (404, 50814), (606, 33876), (808, 25407), (909, 22584), (941, 21816), (1212, 16938), (1818, 11292), (1882, 10908), (2424, 8469), (2727, 7528), (2823, 7272), (3636, 5646), (3764, 5454)]