20117944

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2969}}^1$

素因数の和:3004

約数の個数: 48

約数和(自身を含む): 47401200

約数和(自身を除く): 27283256

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 121, 154, 242, 308, 484, 616, 847, 968, 1694, 2969, 3388, 5938, 6776, 11876, 20783, 23752, 32659, 41566, 65318, 83132, 130636, 166264, 228613, 261272, 359249, 457226, 718498, 914452, 1436996, 1828904, 2514743, 2873992, 5029486, 10058972, 20117944]

約数ペア:

[(1, 20117944), (2, 10058972), (4, 5029486), (7, 2873992), (8, 2514743), (11, 1828904), (14, 1436996), (22, 914452), (28, 718498), (44, 457226), (56, 359249), (77, 261272), (88, 228613), (121, 166264), (154, 130636), (242, 83132), (308, 65318), (484, 41566), (616, 32659), (847, 23752), (968, 20783), (1694, 11876), (2969, 6776), (3388, 5938)]