20788826

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{8527}}^1$

素因数の和:8605

約数の個数: 16

約数和(自身を含む): 33156864

約数和(自身を除く): 12368038

約数列:

[1, 2, 23, 46, 53, 106, 1219, 2438, 8527, 17054, 196121, 392242, 451931, 903862, 10394413, 20788826]

約数ペア:

[(1, 20788826), (2, 10394413), (23, 903862), (46, 451931), (53, 392242), (106, 196121), (1219, 17054), (2438, 8527)]