20160893840

素因数分解:

$2^4\times 5^1\times {\mathrm{853}}^1\times {\mathrm{295441}}^1$

素因数の和:296307

約数の個数: 40

約数和(自身を含む): 46929189048

約数和(自身を除く): 26768295208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 853, 1706, 3412, 4265, 6824, 8530, 13648, 17060, 34120, 68240, 295441, 590882, 1181764, 1477205, 2363528, 2954410, 4727056, 5908820, 11817640, 23635280, 252011173, 504022346, 1008044692, 1260055865, 2016089384, 2520111730, 4032178768, 5040223460, 10080446920, 20160893840]

約数ペア:

[(1, 20160893840), (2, 10080446920), (4, 5040223460), (5, 4032178768), (8, 2520111730), (10, 2016089384), (16, 1260055865), (20, 1008044692), (40, 504022346), (80, 252011173), (853, 23635280), (1706, 11817640), (3412, 5908820), (4265, 4727056), (6824, 2954410), (8530, 2363528), (13648, 1477205), (17060, 1181764), (34120, 590882), (68240, 295441)]