20420346916

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1\times {\mathrm{5689}}^1$

素因数の和:6116

約数の個数: 48

約数和(自身を含む): 37293625600

約数和(自身を除く): 16873278684

約数列:

[1, 2, 4, 37, 74, 79, 148, 158, 307, 316, 614, 1228, 2923, 5689, 5846, 11359, 11378, 11692, 22718, 22756, 24253, 45436, 48506, 97012, 210493, 420986, 449431, 841972, 897361, 898862, 1746523, 1794722, 1797724, 3493046, 3589444, 6986092, 16628947, 33257894, 64621351, 66515788, 129242702, 137975317, 258485404, 275950634, 551901268, 5105086729, 10210173458, 20420346916]

約数ペア:

[(1, 20420346916), (2, 10210173458), (4, 5105086729), (37, 551901268), (74, 275950634), (79, 258485404), (148, 137975317), (158, 129242702), (307, 66515788), (316, 64621351), (614, 33257894), (1228, 16628947), (2923, 6986092), (5689, 3589444), (5846, 3493046), (11359, 1797724), (11378, 1794722), (11692, 1746523), (22718, 898862), (22756, 897361), (24253, 841972), (45436, 449431), (48506, 420986), (97012, 210493)]