20196979664

素因数分解:

$2^4\times {\mathrm{53}}^2\times {\mathrm{449381}}^1$

素因数の和:449495

約数の個数: 30

約数和(自身を含む): 39884000646

約数和(自身を除く): 19687020982

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 2809, 5618, 11236, 22472, 44944, 449381, 898762, 1797524, 3595048, 7190096, 23817193, 47634386, 95268772, 190537544, 381075088, 1262311229, 2524622458, 5049244916, 10098489832, 20196979664]

約数ペア:

[(1, 20196979664), (2, 10098489832), (4, 5049244916), (8, 2524622458), (16, 1262311229), (53, 381075088), (106, 190537544), (212, 95268772), (424, 47634386), (848, 23817193), (2809, 7190096), (5618, 3595048), (11236, 1797524), (22472, 898762), (44944, 449381)]