20020984

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1231}}^1$

素因数の和:1363

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 19895816

約数列:

[1, 2, 4, 8, 19, 38, 76, 107, 152, 214, 428, 856, 1231, 2033, 2462, 4066, 4924, 8132, 9848, 16264, 23389, 46778, 93556, 131717, 187112, 263434, 526868, 1053736, 2502623, 5005246, 10010492, 20020984]

約数ペア:

[(1, 20020984), (2, 10010492), (4, 5005246), (8, 2502623), (19, 1053736), (38, 526868), (76, 263434), (107, 187112), (152, 131717), (214, 93556), (428, 46778), (856, 23389), (1231, 16264), (2033, 9848), (2462, 8132), (4066, 4924)]