20592748

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:454

約数の個数: 36

約数和(自身を含む): 40010656

約数和(自身を除く): 19417908

約数列:

[1, 2, 4, 11, 22, 44, 121, 157, 242, 271, 314, 484, 542, 628, 1084, 1727, 2981, 3454, 5962, 6908, 11924, 18997, 32791, 37994, 42547, 65582, 75988, 85094, 131164, 170188, 468017, 936034, 1872068, 5148187, 10296374, 20592748]

約数ペア:

[(1, 20592748), (2, 10296374), (4, 5148187), (11, 1872068), (22, 936034), (44, 468017), (121, 170188), (157, 131164), (242, 85094), (271, 75988), (314, 65582), (484, 42547), (542, 37994), (628, 32791), (1084, 18997), (1727, 11924), (2981, 6908), (3454, 5962)]