20168099504

素因数分解:

$2^4\times 7^1\times {\mathrm{191}}^1\times {\mathrm{942787}}^1$

素因数の和:942993

約数の個数: 40

約数和(自身を含む): 44891793408

約数和(自身を除く): 24723693904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 191, 382, 764, 1337, 1528, 2674, 3056, 5348, 10696, 21392, 942787, 1885574, 3771148, 6599509, 7542296, 13199018, 15084592, 26398036, 52796072, 105592144, 180072317, 360144634, 720289268, 1260506219, 1440578536, 2521012438, 2881157072, 5042024876, 10084049752, 20168099504]

約数ペア:

[(1, 20168099504), (2, 10084049752), (4, 5042024876), (7, 2881157072), (8, 2521012438), (14, 1440578536), (16, 1260506219), (28, 720289268), (56, 360144634), (112, 180072317), (191, 105592144), (382, 52796072), (764, 26398036), (1337, 15084592), (1528, 13199018), (2674, 7542296), (3056, 6599509), (5348, 3771148), (10696, 1885574), (21392, 942787)]