20547987

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{9743}}^1$

素因数の和:9802

約数の個数: 16

約数和(自身を含む): 29621760

約数和(自身を除く): 9073773

約数列:

[1, 3, 19, 37, 57, 111, 703, 2109, 9743, 29229, 185117, 360491, 555351, 1081473, 6849329, 20547987]

約数ペア:

[(1, 20547987), (3, 6849329), (19, 1081473), (37, 555351), (57, 360491), (111, 185117), (703, 29229), (2109, 9743)]