20222083

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:223

約数の個数: 24

約数和(自身を含む): 24915968

約数和(自身を除く): 4693885

約数列:

[1, 7, 23, 43, 127, 161, 301, 529, 889, 989, 2921, 3703, 5461, 6923, 20447, 22747, 38227, 67183, 125603, 159229, 470281, 879221, 2888869, 20222083]

約数ペア:

[(1, 20222083), (7, 2888869), (23, 879221), (43, 470281), (127, 159229), (161, 125603), (301, 67183), (529, 38227), (889, 22747), (989, 20447), (2921, 6923), (3703, 5461)]