20165155171

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{9677}}^1$

素因数の和:9800

約数の個数: 36

約数和(自身を含む): 25062381072

約数和(自身を除く): 4897225901

約数列:

[1, 7, 23, 43, 49, 161, 301, 989, 1127, 1849, 2107, 6923, 9677, 12943, 42527, 48461, 67739, 90601, 222571, 297689, 416111, 474173, 1557997, 2083823, 2912777, 9570553, 10905979, 17892773, 20389439, 66993871, 125249411, 411533779, 468957097, 876745877, 2880736453, 20165155171]

約数ペア:

[(1, 20165155171), (7, 2880736453), (23, 876745877), (43, 468957097), (49, 411533779), (161, 125249411), (301, 66993871), (989, 20389439), (1127, 17892773), (1849, 10905979), (2107, 9570553), (6923, 2912777), (9677, 2083823), (12943, 1557997), (42527, 474173), (48461, 416111), (67739, 297689), (90601, 222571)]