23708404

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{20509}}^1$

素因数の和:20547

約数の個数: 18

約数和(自身を含む): 44075990

約数和(自身を除く): 20367586

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 20509, 41018, 82036, 348653, 697306, 1394612, 5927101, 11854202, 23708404]

約数ペア:

[(1, 23708404), (2, 11854202), (4, 5927101), (17, 1394612), (34, 697306), (68, 348653), (289, 82036), (578, 41018), (1156, 20509)]