20788262

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{8669}}^1$

素因数の和:8791

約数の個数: 16

約数和(自身を含む): 34333200

約数和(自身を除く): 13544938

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 8669, 17338, 95359, 190718, 944921, 1889842, 10394131, 20788262]

約数ペア:

[(1, 20788262), (2, 10394131), (11, 1889842), (22, 944921), (109, 190718), (218, 95359), (1199, 17338), (2398, 8669)]