20793825

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7109}}^1$

素因数の和:7138

約数の個数: 36

約数和(自身を含む): 40114620

約数和(自身を除く): 19320795

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 7109, 21327, 35545, 63981, 92417, 106635, 177725, 277251, 319905, 462085, 533175, 831753, 1386255, 1599525, 2310425, 4158765, 6931275, 20793825]

約数ペア:

[(1, 20793825), (3, 6931275), (5, 4158765), (9, 2310425), (13, 1599525), (15, 1386255), (25, 831753), (39, 533175), (45, 462085), (65, 319905), (75, 277251), (117, 177725), (195, 106635), (225, 92417), (325, 63981), (585, 35545), (975, 21327), (2925, 7109)]