19976900

素因数分解:

$2^2\times 5^2\times {\mathrm{107}}^1\times {\mathrm{1867}}^1$

素因数の和:1988

約数の個数: 36

約数和(自身を含む): 43778448

約数和(自身を除く): 23801548

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 107, 214, 428, 535, 1070, 1867, 2140, 2675, 3734, 5350, 7468, 9335, 10700, 18670, 37340, 46675, 93350, 186700, 199769, 399538, 799076, 998845, 1997690, 3995380, 4994225, 9988450, 19976900]

約数ペア:

[(1, 19976900), (2, 9988450), (4, 4994225), (5, 3995380), (10, 1997690), (20, 998845), (25, 799076), (50, 399538), (100, 199769), (107, 186700), (214, 93350), (428, 46675), (535, 37340), (1070, 18670), (1867, 10700), (2140, 9335), (2675, 7468), (3734, 5350)]