20148548

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{17551}}^1$

素因数の和:17603

約数の個数: 24

約数和(自身を含む): 41282304

約数和(自身を除く): 21133756

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 17551, 35102, 70204, 122857, 245714, 491428, 719591, 1439182, 2878364, 5037137, 10074274, 20148548]

約数ペア:

[(1, 20148548), (2, 10074274), (4, 5037137), (7, 2878364), (14, 1439182), (28, 719591), (41, 491428), (82, 245714), (164, 122857), (287, 70204), (574, 35102), (1148, 17551)]