20778896384

素因数分解:

$2^{10}\times {\mathrm{1103}}^1\times {\mathrm{18397}}^1$

素因数の和:19520

約数の個数: 44

約数和(自身を含む): 41577419424

約数和(自身を除く): 20798523040

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 1103, 2206, 4412, 8824, 17648, 18397, 35296, 36794, 70592, 73588, 141184, 147176, 282368, 294352, 564736, 588704, 1129472, 1177408, 2354816, 4709632, 9419264, 18838528, 20291891, 40583782, 81167564, 162335128, 324670256, 649340512, 1298681024, 2597362048, 5194724096, 10389448192, 20778896384]

約数ペア:

[(1, 20778896384), (2, 10389448192), (4, 5194724096), (8, 2597362048), (16, 1298681024), (32, 649340512), (64, 324670256), (128, 162335128), (256, 81167564), (512, 40583782), (1024, 20291891), (1103, 18838528), (2206, 9419264), (4412, 4709632), (8824, 2354816), (17648, 1177408), (18397, 1129472), (35296, 588704), (36794, 564736), (70592, 294352), (73588, 282368), (141184, 147176)]