20895979

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1289}}^1$

素因数の和:1374

約数の個数: 16

約数和(自身を含む): 23839200

約数和(自身を除く): 2943221

約数列:

[1, 13, 29, 43, 377, 559, 1247, 1289, 16211, 16757, 37381, 55427, 485953, 720551, 1607383, 20895979]

約数ペア:

[(1, 20895979), (13, 1607383), (29, 720551), (43, 485953), (377, 55427), (559, 37381), (1247, 16757), (1289, 16211)]