20387744

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{49009}}^1$

素因数の和:49032

約数の個数: 24

約数和(自身を含む): 43226820

約数和(自身を除く): 22839076

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 49009, 98018, 196036, 392072, 637117, 784144, 1274234, 1568288, 2548468, 5096936, 10193872, 20387744]

約数ペア:

[(1, 20387744), (2, 10193872), (4, 5096936), (8, 2548468), (13, 1568288), (16, 1274234), (26, 784144), (32, 637117), (52, 392072), (104, 196036), (208, 98018), (416, 49009)]