20196181784

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1091}}^1\times {\mathrm{121787}}^1$

素因数の和:122903

約数の個数: 32

約数和(自身を含む): 39897748800

約数和(自身を除く): 19701567016

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1091, 2182, 4364, 8728, 20729, 41458, 82916, 121787, 165832, 243574, 487148, 974296, 2313953, 4627906, 9255812, 18511624, 132869617, 265739234, 531478468, 1062956936, 2524522723, 5049045446, 10098090892, 20196181784]

約数ペア:

[(1, 20196181784), (2, 10098090892), (4, 5049045446), (8, 2524522723), (19, 1062956936), (38, 531478468), (76, 265739234), (152, 132869617), (1091, 18511624), (2182, 9255812), (4364, 4627906), (8728, 2313953), (20729, 974296), (41458, 487148), (82916, 243574), (121787, 165832)]