20814514

素因数分解:

$2^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{4519}}^1$

素因数の和:4582

約数の個数: 24

約数和(自身を含む): 37100160

約数和(自身を除く): 16285646

約数列:

[1, 2, 7, 14, 47, 49, 94, 98, 329, 658, 2303, 4519, 4606, 9038, 31633, 63266, 212393, 221431, 424786, 442862, 1486751, 2973502, 10407257, 20814514]

約数ペア:

[(1, 20814514), (2, 10407257), (7, 2973502), (14, 1486751), (47, 442862), (49, 424786), (94, 221431), (98, 212393), (329, 63266), (658, 31633), (2303, 9038), (4519, 4606)]