20270781856

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{144593}}^1$

素因数の和:144953

約数の個数: 48

約数和(自身を含む): 43105784904

約数和(自身を除く): 22835003048

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 337, 416, 674, 1348, 2696, 4381, 5392, 8762, 10784, 17524, 35048, 70096, 140192, 144593, 289186, 578372, 1156744, 1879709, 2313488, 3759418, 4626976, 7518836, 15037672, 30075344, 48727841, 60150688, 97455682, 194911364, 389822728, 633461933, 779645456, 1266923866, 1559290912, 2533847732, 5067695464, 10135390928, 20270781856]

約数ペア:

[(1, 20270781856), (2, 10135390928), (4, 5067695464), (8, 2533847732), (13, 1559290912), (16, 1266923866), (26, 779645456), (32, 633461933), (52, 389822728), (104, 194911364), (208, 97455682), (337, 60150688), (416, 48727841), (674, 30075344), (1348, 15037672), (2696, 7518836), (4381, 4626976), (5392, 3759418), (8762, 2313488), (10784, 1879709), (17524, 1156744), (35048, 578372), (70096, 289186), (140192, 144593)]