20215736695

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{127139}}^1$

素因数の和:127228

約数の個数: 48

約数和(自身を含む): 31306953600

約数和(自身を除く): 11091216905

約数列:

[1, 5, 7, 11, 35, 49, 55, 59, 77, 245, 295, 385, 413, 539, 649, 2065, 2695, 2891, 3245, 4543, 14455, 22715, 31801, 127139, 159005, 635695, 889973, 1398529, 4449865, 6229811, 6992645, 7501201, 9789703, 31149055, 37506005, 48948515, 52508407, 68527921, 82513211, 262542035, 342639605, 367558849, 412566055, 577592477, 1837794245, 2887962385, 4043147339, 20215736695]

約数ペア:

[(1, 20215736695), (5, 4043147339), (7, 2887962385), (11, 1837794245), (35, 577592477), (49, 412566055), (55, 367558849), (59, 342639605), (77, 262542035), (245, 82513211), (295, 68527921), (385, 52508407), (413, 48948515), (539, 37506005), (649, 31149055), (2065, 9789703), (2695, 7501201), (2891, 6992645), (3245, 6229811), (4543, 4449865), (14455, 1398529), (22715, 889973), (31801, 635695), (127139, 159005)]