20852007

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 32126976

約数和(自身を除く): 11274969

約数列:

[1, 3, 11, 23, 33, 69, 83, 249, 253, 331, 759, 913, 993, 1909, 2739, 3641, 5727, 7613, 10923, 20999, 22839, 27473, 62997, 82419, 83743, 251229, 302203, 631879, 906609, 1895637, 6950669, 20852007]

約数ペア:

[(1, 20852007), (3, 6950669), (11, 1895637), (23, 906609), (33, 631879), (69, 302203), (83, 251229), (249, 83743), (253, 82419), (331, 62997), (759, 27473), (913, 22839), (993, 20999), (1909, 10923), (2739, 7613), (3641, 5727)]