20128776892

素因数分解:

$2^2\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1637551}}^1$

素因数の和:1638001

約数の個数: 24

約数和(自身を含む): 40349281280

約数和(自身を除く): 20220504388

約数列:

[1, 2, 4, 7, 14, 28, 439, 878, 1756, 3073, 6146, 12292, 1637551, 3275102, 6550204, 11462857, 22925714, 45851428, 718884889, 1437769778, 2875539556, 5032194223, 10064388446, 20128776892]

約数ペア:

[(1, 20128776892), (2, 10064388446), (4, 5032194223), (7, 2875539556), (14, 1437769778), (28, 718884889), (439, 45851428), (878, 22925714), (1756, 11462857), (3073, 6550204), (6146, 3275102), (12292, 1637551)]