20896481732

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1707787}}^1$

素因数の和:1707840

約数の個数: 48

約数和(自身を含む): 45905341440

約数和(自身を除く): 25008859708

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 76, 92, 133, 161, 266, 322, 437, 532, 644, 874, 1748, 3059, 6118, 12236, 1707787, 3415574, 6831148, 11954509, 23909018, 32447953, 39279101, 47818036, 64895906, 78558202, 129791812, 157116404, 227135671, 274953707, 454271342, 549907414, 746302919, 908542684, 1099814828, 1492605838, 2985211676, 5224120433, 10448240866, 20896481732]

約数ペア:

[(1, 20896481732), (2, 10448240866), (4, 5224120433), (7, 2985211676), (14, 1492605838), (19, 1099814828), (23, 908542684), (28, 746302919), (38, 549907414), (46, 454271342), (76, 274953707), (92, 227135671), (133, 157116404), (161, 129791812), (266, 78558202), (322, 64895906), (437, 47818036), (532, 39279101), (644, 32447953), (874, 23909018), (1748, 11954509), (3059, 6831148), (6118, 3415574), (12236, 1707787)]