20195714

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{659}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 38016000

約数和(自身を除く): 17820286

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 199, 398, 659, 1318, 1393, 2189, 2786, 4378, 4613, 7249, 9226, 14498, 15323, 30646, 50743, 101486, 131141, 262282, 917987, 1442551, 1835974, 2885102, 10097857, 20195714]

約数ペア:

[(1, 20195714), (2, 10097857), (7, 2885102), (11, 1835974), (14, 1442551), (22, 917987), (77, 262282), (154, 131141), (199, 101486), (398, 50743), (659, 30646), (1318, 15323), (1393, 14498), (2189, 9226), (2786, 7249), (4378, 4613)]