20298670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{709}}^1$

素因数の和:1132

約数の個数: 32

約数和(自身を含む): 41918400

約数和(自身を除く): 21619730

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 409, 709, 818, 1418, 2045, 2863, 3545, 4090, 4963, 5726, 7090, 9926, 14315, 24815, 28630, 49630, 289981, 579962, 1449905, 2029867, 2899810, 4059734, 10149335, 20298670]

約数ペア:

[(1, 20298670), (2, 10149335), (5, 4059734), (7, 2899810), (10, 2029867), (14, 1449905), (35, 579962), (70, 289981), (409, 49630), (709, 28630), (818, 24815), (1418, 14315), (2045, 9926), (2863, 7090), (3545, 5726), (4090, 4963)]