20523376

素因数分解:

$2^4\times {\mathrm{541}}^1\times {\mathrm{2371}}^1$

素因数の和:2920

約数の個数: 20

約数和(自身を含む): 39854344

約数和(自身を除く): 19330968

約数列:

[1, 2, 4, 8, 16, 541, 1082, 2164, 2371, 4328, 4742, 8656, 9484, 18968, 37936, 1282711, 2565422, 5130844, 10261688, 20523376]

約数ペア:

[(1, 20523376), (2, 10261688), (4, 5130844), (8, 2565422), (16, 1282711), (541, 37936), (1082, 18968), (2164, 9484), (2371, 8656), (4328, 4742)]