20178303

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{12763}}^1$

素因数の和:12814

約数の個数: 16

約数和(自身を含む): 29408256

約数和(自身を除く): 9229953

約数列:

[1, 3, 17, 31, 51, 93, 527, 1581, 12763, 38289, 216971, 395653, 650913, 1186959, 6726101, 20178303]

約数ペア:

[(1, 20178303), (3, 6726101), (17, 1186959), (31, 650913), (51, 395653), (93, 216971), (527, 38289), (1581, 12763)]