20808548684

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2937401}}^1$

素因数の和:2937446

約数の個数: 48

約数和(自身を含む): 47374419456

約数和(自身を除く): 26565870772

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 154, 161, 253, 308, 322, 506, 644, 1012, 1771, 3542, 7084, 2937401, 5874802, 11749604, 20561807, 32311411, 41123614, 64622822, 67560223, 82247228, 129245644, 135120446, 226179877, 270240892, 452359754, 472921561, 743162453, 904719508, 945843122, 1486324906, 1891686244, 2972649812, 5202137171, 10404274342, 20808548684]

約数ペア:

[(1, 20808548684), (2, 10404274342), (4, 5202137171), (7, 2972649812), (11, 1891686244), (14, 1486324906), (22, 945843122), (23, 904719508), (28, 743162453), (44, 472921561), (46, 452359754), (77, 270240892), (92, 226179877), (154, 135120446), (161, 129245644), (253, 82247228), (308, 67560223), (322, 64622822), (506, 41123614), (644, 32311411), (1012, 20561807), (1771, 11749604), (3542, 5874802), (7084, 2937401)]