20933157

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{929}}^1$

素因数の和:1005

約数の個数: 32

約数和(自身を含む): 33926400

約数和(自身を除く): 12993243

約数列:

[1, 3, 7, 21, 29, 37, 87, 111, 203, 259, 609, 777, 929, 1073, 2787, 3219, 6503, 7511, 19509, 22533, 26941, 34373, 80823, 103119, 188587, 240611, 565761, 721833, 996817, 2990451, 6977719, 20933157]

約数ペア:

[(1, 20933157), (3, 6977719), (7, 2990451), (21, 996817), (29, 721833), (37, 565761), (87, 240611), (111, 188587), (203, 103119), (259, 80823), (609, 34373), (777, 26941), (929, 22533), (1073, 19509), (2787, 7511), (3219, 6503)]