20525301

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4139}}^1$

素因数の和:4193

約数の個数: 24

約数和(自身を含む): 32292000

約数和(自身を除く): 11766699

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 1653, 4139, 4959, 12417, 37251, 78641, 120031, 235923, 360093, 707769, 1080279, 2280589, 6841767, 20525301]

約数ペア:

[(1, 20525301), (3, 6841767), (9, 2280589), (19, 1080279), (29, 707769), (57, 360093), (87, 235923), (171, 120031), (261, 78641), (551, 37251), (1653, 12417), (4139, 4959)]