20787498

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{67933}}^1$

素因数の和:67958

約数の個数: 24

約数和(自身を含む): 47689668

約数和(自身を除く): 26902170

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 67933, 135866, 203799, 407598, 611397, 1154861, 1222794, 2309722, 3464583, 6929166, 10393749, 20787498]

約数ペア:

[(1, 20787498), (2, 10393749), (3, 6929166), (6, 3464583), (9, 2309722), (17, 1222794), (18, 1154861), (34, 611397), (51, 407598), (102, 203799), (153, 135866), (306, 67933)]