20403913610

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107389019}}^1$

素因数の和:107389045

約数の個数: 16

約数和(自身を含む): 38660047200

約数和(自身を除く): 18256133590

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 107389019, 214778038, 536945095, 1073890190, 2040391361, 4080782722, 10201956805, 20403913610]

約数ペア:

[(1, 20403913610), (2, 10201956805), (5, 4080782722), (10, 2040391361), (19, 1073890190), (38, 536945095), (95, 214778038), (190, 107389019)]