20811872

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{28277}}^1$

素因数の和:28310

約数の個数: 24

約数和(自身を含む): 42756336

約数和(自身を除く): 21944464

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 184, 368, 736, 28277, 56554, 113108, 226216, 452432, 650371, 904864, 1300742, 2601484, 5202968, 10405936, 20811872]

約数ペア:

[(1, 20811872), (2, 10405936), (4, 5202968), (8, 2601484), (16, 1300742), (23, 904864), (32, 650371), (46, 452432), (92, 226216), (184, 113108), (368, 56554), (736, 28277)]