20512222029

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{671717}}^1$

素因数の和:671771

約数の個数: 40

約数和(自身を含む): 34136708760

約数和(自身を除く): 13624486731

約数列:

[1, 3, 9, 13, 27, 29, 39, 81, 87, 117, 261, 351, 377, 783, 1053, 1131, 2349, 3393, 10179, 30537, 671717, 2015151, 6045453, 8732321, 18136359, 19479793, 26196963, 54409077, 58439379, 78590889, 175318137, 235772667, 253237309, 525954411, 707318001, 759711927, 1577863233, 2279135781, 6837407343, 20512222029]

約数ペア:

[(1, 20512222029), (3, 6837407343), (9, 2279135781), (13, 1577863233), (27, 759711927), (29, 707318001), (39, 525954411), (81, 253237309), (87, 235772667), (117, 175318137), (261, 78590889), (351, 58439379), (377, 54409077), (783, 26196963), (1053, 19479793), (1131, 18136359), (2349, 8732321), (3393, 6045453), (10179, 2015151), (30537, 671717)]