20090420987

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5966861}}^1$

素因数の和:5966918

約数の個数: 16

約数和(自身を含む): 25394964672

約数和(自身を除く): 5304543685

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 5966861, 41768027, 77569193, 220773857, 542984351, 1545416999, 2870060141, 20090420987]

約数ペア:

[(1, 20090420987), (7, 2870060141), (13, 1545416999), (37, 542984351), (91, 220773857), (259, 77569193), (481, 41768027), (3367, 5966861)]