20519030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{293129}}^1$

素因数の和:293143

約数の個数: 16

約数和(自身を含む): 42210720

約数和(自身を除く): 21691690

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 293129, 586258, 1465645, 2051903, 2931290, 4103806, 10259515, 20519030]

約数ペア:

[(1, 20519030), (2, 10259515), (5, 4103806), (7, 2931290), (10, 2051903), (14, 1465645), (35, 586258), (70, 293129)]