20722835

素因数分解:

$5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2063}}^1$

素因数の和:2123

約数の個数: 24

約数和(自身を含む): 29647296

約数和(自身を除く): 8924461

約数列:

[1, 5, 7, 35, 41, 49, 205, 245, 287, 1435, 2009, 2063, 10045, 10315, 14441, 72205, 84583, 101087, 422915, 505435, 592081, 2960405, 4144567, 20722835]

約数ペア:

[(1, 20722835), (5, 4144567), (7, 2960405), (35, 592081), (41, 505435), (49, 422915), (205, 101087), (245, 84583), (287, 72205), (1435, 14441), (2009, 10315), (2063, 10045)]