20457584

素因数分解:

$2^4\times 7^1\times {\mathrm{182657}}^1$

素因数の和:182672

約数の個数: 20

約数和(自身を含む): 45299184

約数和(自身を除く): 24841600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 182657, 365314, 730628, 1278599, 1461256, 2557198, 2922512, 5114396, 10228792, 20457584]

約数ペア:

[(1, 20457584), (2, 10228792), (4, 5114396), (7, 2922512), (8, 2557198), (14, 1461256), (16, 1278599), (28, 730628), (56, 365314), (112, 182657)]