19796420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{141403}}^1$

素因数の和:141419

約数の個数: 24

約数和(自身を含む): 47511744

約数和(自身を除く): 27715324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 141403, 282806, 565612, 707015, 989821, 1414030, 1979642, 2828060, 3959284, 4949105, 9898210, 19796420]

約数ペア:

[(1, 19796420), (2, 9898210), (4, 4949105), (5, 3959284), (7, 2828060), (10, 1979642), (14, 1414030), (20, 989821), (28, 707015), (35, 565612), (70, 282806), (140, 141403)]