20016010

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{40849}}^1$

素因数の和:40870

約数の個数: 24

約数和(自身を含む): 41912100

約数和(自身を除く): 21896090

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 40849, 81698, 204245, 285943, 408490, 571886, 1429715, 2001601, 2859430, 4003202, 10008005, 20016010]

約数ペア:

[(1, 20016010), (2, 10008005), (5, 4003202), (7, 2859430), (10, 2001601), (14, 1429715), (35, 571886), (49, 408490), (70, 285943), (98, 204245), (245, 81698), (490, 40849)]