20125940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{52963}}^1$

素因数の和:52991

約数の個数: 24

約数和(自身を含む): 44489760

約数和(自身を除く): 24363820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 52963, 105926, 211852, 264815, 529630, 1006297, 1059260, 2012594, 4025188, 5031485, 10062970, 20125940]

約数ペア:

[(1, 20125940), (2, 10062970), (4, 5031485), (5, 4025188), (10, 2012594), (19, 1059260), (20, 1006297), (38, 529630), (76, 264815), (95, 211852), (190, 105926), (380, 52963)]