20803559420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7820887}}^1$

素因数の和:7820922

約数の個数: 48

約数和(自身を含む): 52556367360

約数和(自身を除く): 31752807940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 7820887, 15641774, 31283548, 39104435, 54746209, 78208870, 109492418, 148596853, 156417740, 218984836, 273731045, 297193706, 547462090, 594387412, 742984265, 1040177971, 1094924180, 1485968530, 2080355942, 2971937060, 4160711884, 5200889855, 10401779710, 20803559420]

約数ペア:

[(1, 20803559420), (2, 10401779710), (4, 5200889855), (5, 4160711884), (7, 2971937060), (10, 2080355942), (14, 1485968530), (19, 1094924180), (20, 1040177971), (28, 742984265), (35, 594387412), (38, 547462090), (70, 297193706), (76, 273731045), (95, 218984836), (133, 156417740), (140, 148596853), (190, 109492418), (266, 78208870), (380, 54746209), (532, 39104435), (665, 31283548), (1330, 15641774), (2660, 7820887)]