20693403

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{641}}^1$

素因数の和:875

約数の個数: 24

約数和(自身を含む): 31848336

約数和(自身を除く): 11154933

約数列:

[1, 3, 9, 17, 51, 153, 211, 633, 641, 1899, 1923, 3587, 5769, 10761, 10897, 32283, 32691, 98073, 135251, 405753, 1217259, 2299267, 6897801, 20693403]

約数ペア:

[(1, 20693403), (3, 6897801), (9, 2299267), (17, 1217259), (51, 405753), (153, 135251), (211, 98073), (633, 32691), (641, 32283), (1899, 10897), (1923, 10761), (3587, 5769)]