20292712

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2591}}^1$

素因数の和:2697

約数の個数: 32

約数和(自身を含む): 41990400

約数和(自身を除く): 21697688

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 89, 178, 356, 712, 979, 1958, 2591, 3916, 5182, 7832, 10364, 20728, 28501, 57002, 114004, 228008, 230599, 461198, 922396, 1844792, 2536589, 5073178, 10146356, 20292712]

約数ペア:

[(1, 20292712), (2, 10146356), (4, 5073178), (8, 2536589), (11, 1844792), (22, 922396), (44, 461198), (88, 230599), (89, 228008), (178, 114004), (356, 57002), (712, 28501), (979, 20728), (1958, 10364), (2591, 7832), (3916, 5182)]