20494005

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{27883}}^1$

素因数の和:27905

約数の個数: 24

約数和(自身を含む): 38145312

約数和(自身を除く): 17651307

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 27883, 83649, 139415, 195181, 418245, 585543, 975905, 1366267, 2927715, 4098801, 6831335, 20494005]

約数ペア:

[(1, 20494005), (3, 6831335), (5, 4098801), (7, 2927715), (15, 1366267), (21, 975905), (35, 585543), (49, 418245), (105, 195181), (147, 139415), (245, 83649), (735, 27883)]