20266839

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4273}}^1$

素因数の和:4327

約数の個数: 24

約数和(自身を含む): 32003712

約数和(自身を除く): 11736873

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 279, 527, 1581, 4273, 4743, 12819, 38457, 72641, 132463, 217923, 397389, 653769, 1192167, 2251871, 6755613, 20266839]

約数ペア:

[(1, 20266839), (3, 6755613), (9, 2251871), (17, 1192167), (31, 653769), (51, 397389), (93, 217923), (153, 132463), (279, 72641), (527, 38457), (1581, 12819), (4273, 4743)]