20160008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{1187}}^1$

素因数の和:1397

約数の個数: 32

約数和(自身を含む): 41484960

約数和(自身を除く): 21324952

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 193, 386, 772, 1187, 1544, 2123, 2374, 4246, 4748, 8492, 9496, 13057, 16984, 26114, 52228, 104456, 229091, 458182, 916364, 1832728, 2520001, 5040002, 10080004, 20160008]

約数ペア:

[(1, 20160008), (2, 10080004), (4, 5040002), (8, 2520001), (11, 1832728), (22, 916364), (44, 458182), (88, 229091), (193, 104456), (386, 52228), (772, 26114), (1187, 16984), (1544, 13057), (2123, 9496), (2374, 8492), (4246, 4748)]