20996875796

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{403786073}}^1$

素因数の和:403786090

約数の個数: 12

約数和(自身を含む): 39571035252

約数和(自身を除く): 18574159456

約数列:

[1, 2, 4, 13, 26, 52, 403786073, 807572146, 1615144292, 5249218949, 10498437898, 20996875796]

約数ペア:

[(1, 20996875796), (2, 10498437898), (4, 5249218949), (13, 1615144292), (26, 807572146), (52, 403786073)]