20396073

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 30081024

約数和(自身を除く): 9684951

約数列:

[1, 3, 17, 47, 51, 67, 127, 141, 201, 381, 799, 1139, 2159, 2397, 3149, 3417, 5969, 6477, 8509, 9447, 17907, 25527, 53533, 101473, 144653, 160599, 304419, 399923, 433959, 1199769, 6798691, 20396073]

約数ペア:

[(1, 20396073), (3, 6798691), (17, 1199769), (47, 433959), (51, 399923), (67, 304419), (127, 160599), (141, 144653), (201, 101473), (381, 53533), (799, 25527), (1139, 17907), (2159, 9447), (2397, 8509), (3149, 6477), (3417, 5969)]