20541248

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3527}}^1$

素因数の和:3559

約数の個数: 56

約数和(自身を含む): 50182272

約数和(自身を除く): 29641024

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 208, 224, 364, 416, 448, 728, 832, 1456, 2912, 3527, 5824, 7054, 14108, 24689, 28216, 45851, 49378, 56432, 91702, 98756, 112864, 183404, 197512, 225728, 320957, 366808, 395024, 641914, 733616, 790048, 1283828, 1467232, 1580096, 2567656, 2934464, 5135312, 10270624, 20541248]

約数ペア:

[(1, 20541248), (2, 10270624), (4, 5135312), (7, 2934464), (8, 2567656), (13, 1580096), (14, 1467232), (16, 1283828), (26, 790048), (28, 733616), (32, 641914), (52, 395024), (56, 366808), (64, 320957), (91, 225728), (104, 197512), (112, 183404), (182, 112864), (208, 98756), (224, 91702), (364, 56432), (416, 49378), (448, 45851), (728, 28216), (832, 24689), (1456, 14108), (2912, 7054), (3527, 5824)]