20782208

素因数分解:

$2^7\times {\mathrm{229}}^1\times {\mathrm{709}}^1$

素因数の和:952

約数の個数: 32

約数和(自身を含む): 41641500

約数和(自身を除く): 20859292

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 229, 458, 709, 916, 1418, 1832, 2836, 3664, 5672, 7328, 11344, 14656, 22688, 29312, 45376, 90752, 162361, 324722, 649444, 1298888, 2597776, 5195552, 10391104, 20782208]

約数ペア:

[(1, 20782208), (2, 10391104), (4, 5195552), (8, 2597776), (16, 1298888), (32, 649444), (64, 324722), (128, 162361), (229, 90752), (458, 45376), (709, 29312), (916, 22688), (1418, 14656), (1832, 11344), (2836, 7328), (3664, 5672)]