20359408

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{17431}}^1$

素因数の和:17512

約数の個数: 20

約数和(自身を含む): 39989008

約数和(自身を除く): 19629600

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 17431, 34862, 69724, 139448, 278896, 1272463, 2544926, 5089852, 10179704, 20359408]

約数ペア:

[(1, 20359408), (2, 10179704), (4, 5089852), (8, 2544926), (16, 1272463), (73, 278896), (146, 139448), (292, 69724), (584, 34862), (1168, 17431)]