20218412

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{1091}}^1$

素因数の和:1249

約数の個数: 24

約数和(自身を含む): 36599472

約数和(自身を除く): 16381060

約数列:

[1, 2, 4, 41, 82, 113, 164, 226, 452, 1091, 2182, 4364, 4633, 9266, 18532, 44731, 89462, 123283, 178924, 246566, 493132, 5054603, 10109206, 20218412]

約数ペア:

[(1, 20218412), (2, 10109206), (4, 5054603), (41, 493132), (82, 246566), (113, 178924), (164, 123283), (226, 89462), (452, 44731), (1091, 18532), (2182, 9266), (4364, 4633)]