20817348

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{28439}}^1$

素因数の和:28507

約数の個数: 24

約数和(自身を含む): 49371840

約数和(自身を除く): 28554492

約数列:

[1, 2, 3, 4, 6, 12, 61, 122, 183, 244, 366, 732, 28439, 56878, 85317, 113756, 170634, 341268, 1734779, 3469558, 5204337, 6939116, 10408674, 20817348]

約数ペア:

[(1, 20817348), (2, 10408674), (3, 6939116), (4, 5204337), (6, 3469558), (12, 1734779), (61, 341268), (122, 170634), (183, 113756), (244, 85317), (366, 56878), (732, 28439)]