20591252

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{977}}^1$

素因数の和:1471

約数の個数: 24

約数和(自身を含む): 39432960

約数和(自身を除く): 18841708

約数列:

[1, 2, 4, 11, 22, 44, 479, 958, 977, 1916, 1954, 3908, 5269, 10538, 10747, 21076, 21494, 42988, 467983, 935966, 1871932, 5147813, 10295626, 20591252]

約数ペア:

[(1, 20591252), (2, 10295626), (4, 5147813), (11, 1871932), (22, 935966), (44, 467983), (479, 42988), (958, 21494), (977, 21076), (1916, 10747), (1954, 10538), (3908, 5269)]