20964708

素因数分解:

$2^2\times 3^2\times {\mathrm{449}}^1\times {\mathrm{1297}}^1$

素因数の和:1756

約数の個数: 36

約数和(自身を含む): 53153100

約数和(自身を除く): 32188392

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 449, 898, 1297, 1347, 1796, 2594, 2694, 3891, 4041, 5188, 5388, 7782, 8082, 11673, 15564, 16164, 23346, 46692, 582353, 1164706, 1747059, 2329412, 3494118, 5241177, 6988236, 10482354, 20964708]

約数ペア:

[(1, 20964708), (2, 10482354), (3, 6988236), (4, 5241177), (6, 3494118), (9, 2329412), (12, 1747059), (18, 1164706), (36, 582353), (449, 46692), (898, 23346), (1297, 16164), (1347, 15564), (1796, 11673), (2594, 8082), (2694, 7782), (3891, 5388), (4041, 5188)]