20174745872

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{661}}^1\times {\mathrm{82939}}^1$

素因数の和:83631

約数の個数: 40

約数和(自身を含む): 40850272320

約数和(自身を除く): 20675526448

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 661, 1322, 2644, 5288, 10576, 15203, 30406, 60812, 82939, 121624, 165878, 243248, 331756, 663512, 1327024, 1907597, 3815194, 7630388, 15260776, 30521552, 54822679, 109645358, 219290716, 438581432, 877162864, 1260921617, 2521843234, 5043686468, 10087372936, 20174745872]

約数ペア:

[(1, 20174745872), (2, 10087372936), (4, 5043686468), (8, 2521843234), (16, 1260921617), (23, 877162864), (46, 438581432), (92, 219290716), (184, 109645358), (368, 54822679), (661, 30521552), (1322, 15260776), (2644, 7630388), (5288, 3815194), (10576, 1907597), (15203, 1327024), (30406, 663512), (60812, 331756), (82939, 243248), (121624, 165878)]