20488022008

素因数分解:

$2^3\times {\mathrm{3877}}^1\times {\mathrm{660563}}^1$

素因数の和:664446

約数の個数: 16

約数和(自身を含む): 38425007880

約数和(自身を除く): 17936985872

約数列:

[1, 2, 4, 8, 3877, 7754, 15508, 31016, 660563, 1321126, 2642252, 5284504, 2561002751, 5122005502, 10244011004, 20488022008]

約数ペア:

[(1, 20488022008), (2, 10244011004), (4, 5122005502), (8, 2561002751), (3877, 5284504), (7754, 2642252), (15508, 1321126), (31016, 660563)]