27722020

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{3389}}^1$

素因数の和:3807

約数の個数: 24

約数和(自身を含む): 58375800

約数和(自身を除く): 30653780

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 3389, 4090, 6778, 8180, 13556, 16945, 33890, 67780, 1386101, 2772202, 5544404, 6930505, 13861010, 27722020]

約数ペア:

[(1, 27722020), (2, 13861010), (4, 6930505), (5, 5544404), (10, 2772202), (20, 1386101), (409, 67780), (818, 33890), (1636, 16945), (2045, 13556), (3389, 8180), (4090, 6778)]