17320720

素因数分解:

$2^4\times 5^1\times {\mathrm{216509}}^1$

素因数の和:216522

約数の個数: 20

約数和(自身を含む): 40270860

約数和(自身を除く): 22950140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 216509, 433018, 866036, 1082545, 1732072, 2165090, 3464144, 4330180, 8660360, 17320720]

約数ペア:

[(1, 17320720), (2, 8660360), (4, 4330180), (5, 3464144), (8, 2165090), (10, 1732072), (16, 1082545), (20, 866036), (40, 433018), (80, 216509)]