20772320

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6833}}^1$

素因数の和:6867

約数の個数: 48

約数和(自身を含む): 51665040

約数和(自身を除く): 30892720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 6833, 13666, 27332, 34165, 54664, 68330, 109328, 129827, 136660, 218656, 259654, 273320, 519308, 546640, 649135, 1038616, 1093280, 1298270, 2077232, 2596540, 4154464, 5193080, 10386160, 20772320]

約数ペア:

[(1, 20772320), (2, 10386160), (4, 5193080), (5, 4154464), (8, 2596540), (10, 2077232), (16, 1298270), (19, 1093280), (20, 1038616), (32, 649135), (38, 546640), (40, 519308), (76, 273320), (80, 259654), (95, 218656), (152, 136660), (160, 129827), (190, 109328), (304, 68330), (380, 54664), (608, 34165), (760, 27332), (1520, 13666), (3040, 6833)]