20274840572

素因数分解:

$2^2\times 7^1\times {\mathrm{2543}}^1\times {\mathrm{284743}}^1$

素因数の和:287297

約数の個数: 24

約数和(自身を含む): 40565769216

約数和(自身を除く): 20290928644

約数列:

[1, 2, 4, 7, 14, 28, 2543, 5086, 10172, 17801, 35602, 71204, 284743, 569486, 1138972, 1993201, 3986402, 7972804, 724101449, 1448202898, 2896405796, 5068710143, 10137420286, 20274840572]

約数ペア:

[(1, 20274840572), (2, 10137420286), (4, 5068710143), (7, 2896405796), (14, 1448202898), (28, 724101449), (2543, 7972804), (5086, 3986402), (10172, 1993201), (17801, 1138972), (35602, 569486), (71204, 284743)]