20863208

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1597}}^1$

素因数の和:1697

約数の個数: 32

約数和(自身を含む): 41420160

約数和(自身を除く): 20556952

約数列:

[1, 2, 4, 8, 23, 46, 71, 92, 142, 184, 284, 568, 1597, 1633, 3194, 3266, 6388, 6532, 12776, 13064, 36731, 73462, 113387, 146924, 226774, 293848, 453548, 907096, 2607901, 5215802, 10431604, 20863208]

約数ペア:

[(1, 20863208), (2, 10431604), (4, 5215802), (8, 2607901), (23, 907096), (46, 453548), (71, 293848), (92, 226774), (142, 146924), (184, 113387), (284, 73462), (568, 36731), (1597, 13064), (1633, 12776), (3194, 6532), (3266, 6388)]