20789022121

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{797}}^1\times {\mathrm{8527}}^1$

素因数の和:9373

約数の個数: 32

約数和(自身を含む): 26132520960

約数和(自身を除く): 5343498839

約数列:

[1, 7, 19, 23, 133, 161, 437, 797, 3059, 5579, 8527, 15143, 18331, 59689, 106001, 128317, 162013, 196121, 348289, 1134091, 1372847, 2438023, 3726299, 6796019, 26084093, 47572133, 129124361, 156308437, 903870527, 1094159059, 2969860303, 20789022121]

約数ペア:

[(1, 20789022121), (7, 2969860303), (19, 1094159059), (23, 903870527), (133, 156308437), (161, 129124361), (437, 47572133), (797, 26084093), (3059, 6796019), (5579, 3726299), (8527, 2438023), (15143, 1372847), (18331, 1134091), (59689, 348289), (106001, 196121), (128317, 162013)]