20582768

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{3307}}^1$

素因数の和:3704

約数の個数: 20

約数和(自身を含む): 39993720

約数和(自身を除く): 19410952

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 3307, 6224, 6614, 13228, 26456, 52912, 1286423, 2572846, 5145692, 10291384, 20582768]

約数ペア:

[(1, 20582768), (2, 10291384), (4, 5145692), (8, 2572846), (16, 1286423), (389, 52912), (778, 26456), (1556, 13228), (3112, 6614), (3307, 6224)]