20455967997

素因数分解:

$3^2\times {\mathrm{107}}^1\times {\mathrm{197}}^1\times {\mathrm{107827}}^1$

素因数の和:108137

約数の個数: 24

約数和(自身を含む): 29975321376

約数和(自身を除く): 9519353379

約数列:

[1, 3, 9, 107, 197, 321, 591, 963, 1773, 21079, 63237, 107827, 189711, 323481, 970443, 11537489, 21241919, 34612467, 63725757, 103837401, 191177271, 2272885333, 6818655999, 20455967997]

約数ペア:

[(1, 20455967997), (3, 6818655999), (9, 2272885333), (107, 191177271), (197, 103837401), (321, 63725757), (591, 34612467), (963, 21241919), (1773, 11537489), (21079, 970443), (63237, 323481), (107827, 189711)]