20920292

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3877}}^1$

素因数の和:3971

約数の個数: 24

約数和(自身を含む): 39090240

約数和(自身を除く): 18169948

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 1349, 2698, 3877, 5396, 7754, 15508, 73663, 147326, 275267, 294652, 550534, 1101068, 5230073, 10460146, 20920292]

約数ペア:

[(1, 20920292), (2, 10460146), (4, 5230073), (19, 1101068), (38, 550534), (71, 294652), (76, 275267), (142, 147326), (284, 73663), (1349, 15508), (2698, 7754), (3877, 5396)]