20710361728

素因数分解:

$2^7\times 7^1\times {\mathrm{181}}^1\times {\mathrm{127703}}^1$

素因数の和:127905

約数の個数: 64

約数和(自身を含む): 47413941120

約数和(自身を除く): 26703579392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 181, 224, 362, 448, 724, 896, 1267, 1448, 2534, 2896, 5068, 5792, 10136, 11584, 20272, 23168, 40544, 81088, 127703, 162176, 255406, 510812, 893921, 1021624, 1787842, 2043248, 3575684, 4086496, 7151368, 8172992, 14302736, 16345984, 23114243, 28605472, 46228486, 57210944, 92456972, 114421888, 161799701, 184913944, 323599402, 369827888, 647198804, 739655776, 1294397608, 1479311552, 2588795216, 2958623104, 5177590432, 10355180864, 20710361728]

約数ペア:

[(1, 20710361728), (2, 10355180864), (4, 5177590432), (7, 2958623104), (8, 2588795216), (14, 1479311552), (16, 1294397608), (28, 739655776), (32, 647198804), (56, 369827888), (64, 323599402), (112, 184913944), (128, 161799701), (181, 114421888), (224, 92456972), (362, 57210944), (448, 46228486), (724, 28605472), (896, 23114243), (1267, 16345984), (1448, 14302736), (2534, 8172992), (2896, 7151368), (5068, 4086496), (5792, 3575684), (10136, 2043248), (11584, 1787842), (20272, 1021624), (23168, 893921), (40544, 510812), (81088, 255406), (127703, 162176)]