20194204079

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{19577}}^1$

素因数の和:19799

約数の個数: 32

約数和(自身を含む): 24809241600

約数和(自身を除く): 4615037521

約数列:

[1, 7, 23, 43, 149, 161, 301, 989, 1043, 3427, 6407, 6923, 19577, 23989, 44849, 137039, 147361, 450271, 841811, 1031527, 2916973, 3151897, 5892677, 19361653, 20418811, 67090379, 125429839, 135531571, 469632653, 878008873, 2884886297, 20194204079]

約数ペア:

[(1, 20194204079), (7, 2884886297), (23, 878008873), (43, 469632653), (149, 135531571), (161, 125429839), (301, 67090379), (989, 20418811), (1043, 19361653), (3427, 5892677), (6407, 3151897), (6923, 2916973), (19577, 1031527), (23989, 841811), (44849, 450271), (137039, 147361)]