8838020

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{683}}^1$

素因数の和:1339

約数の個数: 24

約数和(自身を含む): 18615744

約数和(自身を除く): 9777724

約数列:

[1, 2, 4, 5, 10, 20, 647, 683, 1294, 1366, 2588, 2732, 3235, 3415, 6470, 6830, 12940, 13660, 441901, 883802, 1767604, 2209505, 4419010, 8838020]

約数ペア:

[(1, 8838020), (2, 4419010), (4, 2209505), (5, 1767604), (10, 883802), (20, 441901), (647, 13660), (683, 12940), (1294, 6830), (1366, 6470), (2588, 3415), (2732, 3235)]