20160661648

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{1213}}^1\times {\mathrm{5273}}^1$

素因数の和:6691

約数の個数: 40

約数和(自身を含む): 39299379768

約数和(自身を除く): 19138718120

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1213, 1576, 2426, 3152, 4852, 5273, 9704, 10546, 19408, 21092, 42184, 84368, 238961, 477922, 955844, 1038781, 1911688, 2077562, 3823376, 4155124, 6396149, 8310248, 12792298, 16620496, 25584596, 51169192, 102338384, 1260041353, 2520082706, 5040165412, 10080330824, 20160661648]

約数ペア:

[(1, 20160661648), (2, 10080330824), (4, 5040165412), (8, 2520082706), (16, 1260041353), (197, 102338384), (394, 51169192), (788, 25584596), (1213, 16620496), (1576, 12792298), (2426, 8310248), (3152, 6396149), (4852, 4155124), (5273, 3823376), (9704, 2077562), (10546, 1911688), (19408, 1038781), (21092, 955844), (42184, 477922), (84368, 238961)]