20469819

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{7573}}^1$

素因数の和:7646

約数の個数: 16

約数和(自身を含む): 29447712

約数和(自身を除く): 8977893

約数列:

[1, 3, 17, 51, 53, 159, 901, 2703, 7573, 22719, 128741, 386223, 401369, 1204107, 6823273, 20469819]

約数ペア:

[(1, 20469819), (3, 6823273), (17, 1204107), (51, 401369), (53, 386223), (159, 128741), (901, 22719), (2703, 7573)]