20279630

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41387}}^1$

素因数の和:41408

約数の個数: 24

約数和(自身を含む): 42464088

約数和(自身を除く): 22184458

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 41387, 82774, 206935, 289709, 413870, 579418, 1448545, 2027963, 2897090, 4055926, 10139815, 20279630]

約数ペア:

[(1, 20279630), (2, 10139815), (5, 4055926), (7, 2897090), (10, 2027963), (14, 1448545), (35, 579418), (49, 413870), (70, 289709), (98, 206935), (245, 82774), (490, 41387)]