28335020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{202393}}^1$

素因数の和:202409

約数の個数: 24

約数和(自身を含む): 68004384

約数和(自身を除く): 39669364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 202393, 404786, 809572, 1011965, 1416751, 2023930, 2833502, 4047860, 5667004, 7083755, 14167510, 28335020]

約数ペア:

[(1, 28335020), (2, 14167510), (4, 7083755), (5, 5667004), (7, 4047860), (10, 2833502), (14, 2023930), (20, 1416751), (28, 1011965), (35, 809572), (70, 404786), (140, 202393)]