20199665248

素因数分解:

$2^5\times 7^1\times {\mathrm{677}}^1\times {\mathrm{133201}}^1$

素因数の和:133895

約数の個数: 48

約数和(自身を含む): 45516721824

約数和(自身を除く): 25317056576

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 677, 1354, 2708, 4739, 5416, 9478, 10832, 18956, 21664, 37912, 75824, 133201, 151648, 266402, 532804, 932407, 1065608, 1864814, 2131216, 3729628, 4262432, 7459256, 14918512, 29837024, 90177077, 180354154, 360708308, 631239539, 721416616, 1262479078, 1442833232, 2524958156, 2885666464, 5049916312, 10099832624, 20199665248]

約数ペア:

[(1, 20199665248), (2, 10099832624), (4, 5049916312), (7, 2885666464), (8, 2524958156), (14, 1442833232), (16, 1262479078), (28, 721416616), (32, 631239539), (56, 360708308), (112, 180354154), (224, 90177077), (677, 29837024), (1354, 14918512), (2708, 7459256), (4739, 4262432), (5416, 3729628), (9478, 2131216), (10832, 1864814), (18956, 1065608), (21664, 932407), (37912, 532804), (75824, 266402), (133201, 151648)]