20530203

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{21187}}^1$

素因数の和:21226

約数の個数: 16

約数和(自身を含む): 30510720

約数和(自身を除く): 9980517

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 21187, 63561, 360179, 402553, 1080537, 1207659, 6843401, 20530203]

約数ペア:

[(1, 20530203), (3, 6843401), (17, 1207659), (19, 1080537), (51, 402553), (57, 360179), (323, 63561), (969, 21187)]