20443045

素因数分解:

$5^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{461}}^1$

素因数の和:661

約数の個数: 24

約数和(自身を含む): 28756728

約数和(自身を除く): 8313683

約数列:

[1, 5, 7, 35, 49, 181, 245, 461, 905, 1267, 2305, 3227, 6335, 8869, 16135, 22589, 44345, 83441, 112945, 417205, 584087, 2920435, 4088609, 20443045]

約数ペア:

[(1, 20443045), (5, 4088609), (7, 2920435), (35, 584087), (49, 417205), (181, 112945), (245, 83441), (461, 44345), (905, 22589), (1267, 16135), (2305, 8869), (3227, 6335)]