20446928

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{5347}}^1$

素因数の和:5594

約数の個数: 20

約数和(自身を含む): 39789120

約数和(自身を除く): 19342192

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 5347, 10694, 21388, 42776, 85552, 1277933, 2555866, 5111732, 10223464, 20446928]

約数ペア:

[(1, 20446928), (2, 10223464), (4, 5111732), (8, 2555866), (16, 1277933), (239, 85552), (478, 42776), (956, 21388), (1912, 10694), (3824, 5347)]