20758528

素因数分解:

$2^{14}\times 7^1\times {\mathrm{181}}^1$

素因数の和:216

約数の個数: 60

約数和(自身を含む): 47708752

約数和(自身を除く): 26950224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 181, 224, 256, 362, 448, 512, 724, 896, 1024, 1267, 1448, 1792, 2048, 2534, 2896, 3584, 4096, 5068, 5792, 7168, 8192, 10136, 11584, 14336, 16384, 20272, 23168, 28672, 40544, 46336, 57344, 81088, 92672, 114688, 162176, 185344, 324352, 370688, 648704, 741376, 1297408, 1482752, 2594816, 2965504, 5189632, 10379264, 20758528]

約数ペア:

[(1, 20758528), (2, 10379264), (4, 5189632), (7, 2965504), (8, 2594816), (14, 1482752), (16, 1297408), (28, 741376), (32, 648704), (56, 370688), (64, 324352), (112, 185344), (128, 162176), (181, 114688), (224, 92672), (256, 81088), (362, 57344), (448, 46336), (512, 40544), (724, 28672), (896, 23168), (1024, 20272), (1267, 16384), (1448, 14336), (1792, 11584), (2048, 10136), (2534, 8192), (2896, 7168), (3584, 5792), (4096, 5068)]