20857535342

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2741}}^1\times {\mathrm{28607}}^1$

素因数の和:31376

約数の個数: 32

約数和(自身を含む): 37652705280

約数和(自身を除く): 16795169938

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 2741, 5482, 19187, 28607, 38374, 52079, 57214, 104158, 200249, 364553, 400498, 543533, 729106, 1087066, 3804731, 7609462, 78411787, 156823574, 548882509, 1097765018, 1489823953, 2979647906, 10428767671, 20857535342]

約数ペア:

[(1, 20857535342), (2, 10428767671), (7, 2979647906), (14, 1489823953), (19, 1097765018), (38, 548882509), (133, 156823574), (266, 78411787), (2741, 7609462), (5482, 3804731), (19187, 1087066), (28607, 729106), (38374, 543533), (52079, 400498), (57214, 364553), (104158, 200249)]