20207216

素因数分解:

$2^4\times {\mathrm{739}}^1\times {\mathrm{1709}}^1$

素因数の和:2456

約数の個数: 20

約数和(自身を含む): 39227400

約数和(自身を除く): 19020184

約数列:

[1, 2, 4, 8, 16, 739, 1478, 1709, 2956, 3418, 5912, 6836, 11824, 13672, 27344, 1262951, 2525902, 5051804, 10103608, 20207216]

約数ペア:

[(1, 20207216), (2, 10103608), (4, 5051804), (8, 2525902), (16, 1262951), (739, 27344), (1478, 13672), (1709, 11824), (2956, 6836), (3418, 5912)]