20289734

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1\times {\mathrm{991}}^1$

素因数の和:1375

約数の個数: 16

約数和(自身を含む): 31605120

約数和(自身を除く): 11315386

約数列:

[1, 2, 29, 58, 353, 706, 991, 1982, 10237, 20474, 28739, 57478, 349823, 699646, 10144867, 20289734]

約数ペア:

[(1, 20289734), (2, 10144867), (29, 699646), (58, 349823), (353, 57478), (706, 28739), (991, 20474), (1982, 10237)]