20091988

素因数分解:

$2^2\times 7^1\times {\mathrm{617}}^1\times {\mathrm{1163}}^1$

素因数の和:1791

約数の個数: 24

約数和(自身を含む): 40283712

約数和(自身を除く): 20191724

約数列:

[1, 2, 4, 7, 14, 28, 617, 1163, 1234, 2326, 2468, 4319, 4652, 8141, 8638, 16282, 17276, 32564, 717571, 1435142, 2870284, 5022997, 10045994, 20091988]

約数ペア:

[(1, 20091988), (2, 10045994), (4, 5022997), (7, 2870284), (14, 1435142), (28, 717571), (617, 32564), (1163, 17276), (1234, 16282), (2326, 8638), (2468, 8141), (4319, 4652)]