2020104321

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{80039}}^1$

素因数の和:80268

約数の個数: 16

約数和(自身を含む): 2766182400

約数和(自身を除く): 746078079

約数列:

[1, 3, 47, 141, 179, 537, 8413, 25239, 80039, 240117, 3761833, 11285499, 14326981, 42980943, 673368107, 2020104321]

約数ペア:

[(1, 2020104321), (3, 673368107), (47, 42980943), (141, 14326981), (179, 11285499), (537, 3761833), (8413, 240117), (25239, 80039)]