20782347

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{4201}}^1$

素因数の和:4318

約数の個数: 16

約数和(自身を含む): 29649312

約数和(自身を除く): 8866965

約数列:

[1, 3, 17, 51, 97, 291, 1649, 4201, 4947, 12603, 71417, 214251, 407497, 1222491, 6927449, 20782347]

約数ペア:

[(1, 20782347), (3, 6927449), (17, 1222491), (51, 407497), (97, 214251), (291, 71417), (1649, 12603), (4201, 4947)]