20977254

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{739}}^1$

素因数の和:849

約数の個数: 48

約数和(自身を含む): 48484800

約数和(自身を除く): 27507546

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 83, 114, 166, 171, 249, 342, 498, 739, 747, 1478, 1494, 1577, 2217, 3154, 4434, 4731, 6651, 9462, 13302, 14041, 14193, 28082, 28386, 42123, 61337, 84246, 122674, 126369, 184011, 252738, 368022, 552033, 1104066, 1165403, 2330806, 3496209, 6992418, 10488627, 20977254]

約数ペア:

[(1, 20977254), (2, 10488627), (3, 6992418), (6, 3496209), (9, 2330806), (18, 1165403), (19, 1104066), (38, 552033), (57, 368022), (83, 252738), (114, 184011), (166, 126369), (171, 122674), (249, 84246), (342, 61337), (498, 42123), (739, 28386), (747, 28082), (1478, 14193), (1494, 14041), (1577, 13302), (2217, 9462), (3154, 6651), (4434, 4731)]