20754416

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{76303}}^1$

素因数の和:76328

約数の個数: 20

約数和(自身を含む): 42577632

約数和(自身を除く): 21823216

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 76303, 152606, 305212, 610424, 1220848, 1297151, 2594302, 5188604, 10377208, 20754416]

約数ペア:

[(1, 20754416), (2, 10377208), (4, 5188604), (8, 2594302), (16, 1297151), (17, 1220848), (34, 610424), (68, 305212), (136, 152606), (272, 76303)]