20257268

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{15679}}^1$

素因数の和:15719

約数の個数: 24

約数和(自身を含む): 39513600

約数和(自身を除く): 19256332

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 15679, 31358, 62716, 266543, 297901, 533086, 595802, 1066172, 1191604, 5064317, 10128634, 20257268]

約数ペア:

[(1, 20257268), (2, 10128634), (4, 5064317), (17, 1191604), (19, 1066172), (34, 595802), (38, 533086), (68, 297901), (76, 266543), (323, 62716), (646, 31358), (1292, 15679)]