20307605

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{1381}}^1$

素因数の和:1576

約数の個数: 16

約数和(自身を含む): 25970544

約数和(自身を除く): 5662939

約数列:

[1, 5, 17, 85, 173, 865, 1381, 2941, 6905, 14705, 23477, 117385, 238913, 1194565, 4061521, 20307605]

約数ペア:

[(1, 20307605), (5, 4061521), (17, 1194565), (85, 238913), (173, 117385), (865, 23477), (1381, 14705), (2941, 6905)]