20003872

素因数分解:

$2^5\times 7^1\times {\mathrm{89303}}^1$

素因数の和:89320

約数の個数: 24

約数和(自身を含む): 45009216

約数和(自身を除く): 25005344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 89303, 178606, 357212, 625121, 714424, 1250242, 1428848, 2500484, 2857696, 5000968, 10001936, 20003872]

約数ペア:

[(1, 20003872), (2, 10001936), (4, 5000968), (7, 2857696), (8, 2500484), (14, 1428848), (16, 1250242), (28, 714424), (32, 625121), (56, 357212), (112, 178606), (224, 89303)]