20671963

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1471}}^1$

素因数の和:1554

約数の個数: 16

約数和(自身を含む): 23740416

約数和(自身を除く): 3068453

約数列:

[1, 13, 23, 47, 299, 611, 1081, 1471, 14053, 19123, 33833, 69137, 439829, 898781, 1590151, 20671963]

約数ペア:

[(1, 20671963), (13, 1590151), (23, 898781), (47, 439829), (299, 69137), (611, 33833), (1081, 19123), (1471, 14053)]