20100285988

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{4639}}^1\times {\mathrm{63719}}^1$

素因数の和:68379

約数の個数: 24

約数和(自身を含む): 37253260800

約数和(自身を除く): 17152974812

約数列:

[1, 2, 4, 17, 34, 68, 4639, 9278, 18556, 63719, 78863, 127438, 157726, 254876, 315452, 1083223, 2166446, 4332892, 295592441, 591184882, 1182369764, 5025071497, 10050142994, 20100285988]

約数ペア:

[(1, 20100285988), (2, 10050142994), (4, 5025071497), (17, 1182369764), (34, 591184882), (68, 295592441), (4639, 4332892), (9278, 2166446), (18556, 1083223), (63719, 315452), (78863, 254876), (127438, 157726)]