20128096208

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{298601}}^1$

素因数の和:299003

約数の個数: 40

約数和(自身を含む): 42654698496

約数和(自身を除く): 22526602288

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 383, 766, 1532, 3064, 4213, 6128, 8426, 16852, 33704, 67408, 298601, 597202, 1194404, 2388808, 3284611, 4777616, 6569222, 13138444, 26276888, 52553776, 114364183, 228728366, 457456732, 914913464, 1258006013, 1829826928, 2516012026, 5032024052, 10064048104, 20128096208]

約数ペア:

[(1, 20128096208), (2, 10064048104), (4, 5032024052), (8, 2516012026), (11, 1829826928), (16, 1258006013), (22, 914913464), (44, 457456732), (88, 228728366), (176, 114364183), (383, 52553776), (766, 26276888), (1532, 13138444), (3064, 6569222), (4213, 4777616), (6128, 3284611), (8426, 2388808), (16852, 1194404), (33704, 597202), (67408, 298601)]