20970530

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{42797}}^1$

素因数の和:42818

約数の個数: 24

約数和(自身を含む): 43910748

約数和(自身を除く): 22940218

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 42797, 85594, 213985, 299579, 427970, 599158, 1497895, 2097053, 2995790, 4194106, 10485265, 20970530]

約数ペア:

[(1, 20970530), (2, 10485265), (5, 4194106), (7, 2995790), (10, 2097053), (14, 1497895), (35, 599158), (49, 427970), (70, 299579), (98, 213985), (245, 85594), (490, 42797)]