20079495

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1153}}^1$

素因数の和:1213

約数の個数: 40

約数和(自身を含む): 36863376

約数和(自身を除く): 16783881

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 387, 405, 645, 1153, 1161, 1935, 3459, 3483, 5765, 5805, 10377, 17295, 17415, 31131, 49579, 51885, 93393, 148737, 155655, 247895, 446211, 466965, 743685, 1338633, 2231055, 4015899, 6693165, 20079495]

約数ペア:

[(1, 20079495), (3, 6693165), (5, 4015899), (9, 2231055), (15, 1338633), (27, 743685), (43, 466965), (45, 446211), (81, 247895), (129, 155655), (135, 148737), (215, 93393), (387, 51885), (405, 49579), (645, 31131), (1153, 17415), (1161, 17295), (1935, 10377), (3459, 5805), (3483, 5765)]