20129402888

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3489841}}^1$

素因数の和:3489957

約数の個数: 32

約数和(自身を含む): 43553228160

約数和(自身を除く): 23423825272

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 412, 721, 824, 1442, 2884, 5768, 3489841, 6979682, 13959364, 24428887, 27918728, 48857774, 97715548, 195431096, 359453623, 718907246, 1437814492, 2516175361, 2875628984, 5032350722, 10064701444, 20129402888]

約数ペア:

[(1, 20129402888), (2, 10064701444), (4, 5032350722), (7, 2875628984), (8, 2516175361), (14, 1437814492), (28, 718907246), (56, 359453623), (103, 195431096), (206, 97715548), (412, 48857774), (721, 27918728), (824, 24428887), (1442, 13959364), (2884, 6979682), (5768, 3489841)]