20173952

素因数分解:

$2^7\times {\mathrm{397}}^2$

素因数の和:808

約数の個数: 24

約数和(自身を含む): 40291785

約数和(自身を除く): 20117833

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 397, 794, 1588, 3176, 6352, 12704, 25408, 50816, 157609, 315218, 630436, 1260872, 2521744, 5043488, 10086976, 20173952]

約数ペア:

[(1, 20173952), (2, 10086976), (4, 5043488), (8, 2521744), (16, 1260872), (32, 630436), (64, 315218), (128, 157609), (397, 50816), (794, 25408), (1588, 12704), (3176, 6352)]