20167056010

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1\times {\mathrm{787}}^1$

素因数の和:1235

約数の個数: 64

約数和(自身を含む): 37218816000

約数和(自身を除く): 17051759990

約数列:

[1, 2, 5, 10, 79, 158, 163, 199, 326, 395, 398, 787, 790, 815, 995, 1574, 1630, 1990, 3935, 7870, 12877, 15721, 25754, 31442, 32437, 62173, 64385, 64874, 78605, 124346, 128281, 128770, 156613, 157210, 162185, 256562, 310865, 313226, 324370, 621730, 641405, 783065, 1282810, 1566130, 2562523, 5125046, 10134199, 12372427, 12812615, 20268398, 24744854, 25527919, 25625230, 50670995, 51055838, 61862135, 101341990, 123724270, 127639595, 255279190, 2016705601, 4033411202, 10083528005, 20167056010]

約数ペア:

[(1, 20167056010), (2, 10083528005), (5, 4033411202), (10, 2016705601), (79, 255279190), (158, 127639595), (163, 123724270), (199, 101341990), (326, 61862135), (395, 51055838), (398, 50670995), (787, 25625230), (790, 25527919), (815, 24744854), (995, 20268398), (1574, 12812615), (1630, 12372427), (1990, 10134199), (3935, 5125046), (7870, 2562523), (12877, 1566130), (15721, 1282810), (25754, 783065), (31442, 641405), (32437, 621730), (62173, 324370), (64385, 313226), (64874, 310865), (78605, 256562), (124346, 162185), (128281, 157210), (128770, 156613)]