20997536

素因数分解:

$2^5\times 7^1\times {\mathrm{93739}}^1$

素因数の和:93756

約数の個数: 24

約数和(自身を含む): 47244960

約数和(自身を除く): 26247424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 93739, 187478, 374956, 656173, 749912, 1312346, 1499824, 2624692, 2999648, 5249384, 10498768, 20997536]

約数ペア:

[(1, 20997536), (2, 10498768), (4, 5249384), (7, 2999648), (8, 2624692), (14, 1499824), (16, 1312346), (28, 749912), (32, 656173), (56, 374956), (112, 187478), (224, 93739)]