20262159

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1277}}^1$

素因数の和:1367

約数の個数: 24

約数和(自身を含む): 30702672

約数和(自身を除く): 10440513

約数列:

[1, 3, 9, 41, 43, 123, 129, 369, 387, 1277, 1763, 3831, 5289, 11493, 15867, 52357, 54911, 157071, 164733, 471213, 494199, 2251351, 6754053, 20262159]

約数ペア:

[(1, 20262159), (3, 6754053), (9, 2251351), (41, 494199), (43, 471213), (123, 164733), (129, 157071), (369, 54911), (387, 52357), (1277, 15867), (1763, 11493), (3831, 5289)]