20836016

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{76603}}^1$

素因数の和:76628

約数の個数: 20

約数和(自身を含む): 42745032

約数和(自身を除く): 21909016

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 76603, 153206, 306412, 612824, 1225648, 1302251, 2604502, 5209004, 10418008, 20836016]

約数ペア:

[(1, 20836016), (2, 10418008), (4, 5209004), (8, 2604502), (16, 1302251), (17, 1225648), (34, 612824), (68, 306412), (136, 153206), (272, 76603)]