20148616480

素因数分解:

$2^5\times 5^1\times {\mathrm{269}}^1\times {\mathrm{468137}}^1$

素因数の和:468421

約数の個数: 48

約数和(自身を含む): 47778164280

約数和(自身を除く): 27629547800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 269, 538, 1076, 1345, 2152, 2690, 4304, 5380, 8608, 10760, 21520, 43040, 468137, 936274, 1872548, 2340685, 3745096, 4681370, 7490192, 9362740, 14980384, 18725480, 37450960, 74901920, 125928853, 251857706, 503715412, 629644265, 1007430824, 1259288530, 2014861648, 2518577060, 4029723296, 5037154120, 10074308240, 20148616480]

約数ペア:

[(1, 20148616480), (2, 10074308240), (4, 5037154120), (5, 4029723296), (8, 2518577060), (10, 2014861648), (16, 1259288530), (20, 1007430824), (32, 629644265), (40, 503715412), (80, 251857706), (160, 125928853), (269, 74901920), (538, 37450960), (1076, 18725480), (1345, 14980384), (2152, 9362740), (2690, 7490192), (4304, 4681370), (5380, 3745096), (8608, 2340685), (10760, 1872548), (21520, 936274), (43040, 468137)]