20128714

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31159}}^1$

素因数の和:31197

約数の個数: 16

約数和(自身を含む): 33652800

約数和(自身を除く): 13524086

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 31159, 62318, 529703, 592021, 1059406, 1184042, 10064357, 20128714]

約数ペア:

[(1, 20128714), (2, 10064357), (17, 1184042), (19, 1059406), (34, 592021), (38, 529703), (323, 62318), (646, 31159)]