20539264

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{9439}}^1$

素因数の和:9470

約数の個数: 32

約数和(自身を含む): 43329600

約数和(自身を除く): 22790336

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 9439, 18878, 37756, 75512, 151024, 160463, 302048, 320926, 604096, 641852, 1208192, 1283704, 2567408, 5134816, 10269632, 20539264]

約数ペア:

[(1, 20539264), (2, 10269632), (4, 5134816), (8, 2567408), (16, 1283704), (17, 1208192), (32, 641852), (34, 604096), (64, 320926), (68, 302048), (128, 160463), (136, 151024), (272, 75512), (544, 37756), (1088, 18878), (2176, 9439)]