20804988

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{24419}}^1$

素因数の和:24497

約数の個数: 24

約数和(自身を含む): 49230720

約数和(自身を除く): 28425732

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 24419, 48838, 73257, 97676, 146514, 293028, 1733749, 3467498, 5201247, 6934996, 10402494, 20804988]

約数ペア:

[(1, 20804988), (2, 10402494), (3, 6934996), (4, 5201247), (6, 3467498), (12, 1733749), (71, 293028), (142, 146514), (213, 97676), (284, 73257), (426, 48838), (852, 24419)]