20797070

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{42443}}^1$

素因数の和:42464

約数の個数: 24

約数和(自身を含む): 43547544

約数和(自身を除く): 22750474

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 42443, 84886, 212215, 297101, 424430, 594202, 1485505, 2079707, 2971010, 4159414, 10398535, 20797070]

約数ペア:

[(1, 20797070), (2, 10398535), (5, 4159414), (7, 2971010), (10, 2079707), (14, 1485505), (35, 594202), (49, 424430), (70, 297101), (98, 212215), (245, 84886), (490, 42443)]