20404097

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{619}}^1$

素因数の和:920

約数の個数: 16

約数和(自身を含む): 24819840

約数和(自身を除く): 4415743

約数列:

[1, 7, 17, 119, 277, 619, 1939, 4333, 4709, 10523, 32963, 73661, 171463, 1200241, 2914871, 20404097]

約数ペア:

[(1, 20404097), (7, 2914871), (17, 1200241), (119, 171463), (277, 73661), (619, 32963), (1939, 10523), (4333, 4709)]