20206216

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{389}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 39124800

約数和(自身を除く): 18918584

約数列:

[1, 2, 4, 8, 43, 86, 151, 172, 302, 344, 389, 604, 778, 1208, 1556, 3112, 6493, 12986, 16727, 25972, 33454, 51944, 58739, 66908, 117478, 133816, 234956, 469912, 2525777, 5051554, 10103108, 20206216]

約数ペア:

[(1, 20206216), (2, 10103108), (4, 5051554), (8, 2525777), (43, 469912), (86, 234956), (151, 133816), (172, 117478), (302, 66908), (344, 58739), (389, 51944), (604, 33454), (778, 25972), (1208, 16727), (1556, 12986), (3112, 6493)]