20172765112

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{281837}}^1$

素因数の和:282255

約数の個数: 32

約数和(自身を含む): 39570055200

約数和(自身を除く): 19397290088

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 389, 778, 1556, 3112, 8947, 17894, 35788, 71576, 281837, 563674, 1127348, 2254696, 6482251, 12964502, 25929004, 51858008, 109634593, 219269186, 438538372, 877076744, 2521595639, 5043191278, 10086382556, 20172765112]

約数ペア:

[(1, 20172765112), (2, 10086382556), (4, 5043191278), (8, 2521595639), (23, 877076744), (46, 438538372), (92, 219269186), (184, 109634593), (389, 51858008), (778, 25929004), (1556, 12964502), (3112, 6482251), (8947, 2254696), (17894, 1127348), (35788, 563674), (71576, 281837)]