20752130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3331}}^1$

素因数の和:3434

約数の個数: 32

約数和(自身を含む): 43182720

約数和(自身を除く): 22430590

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 3331, 6230, 6662, 16655, 23317, 33310, 46634, 116585, 233170, 296459, 592918, 1482295, 2075213, 2964590, 4150426, 10376065, 20752130]

約数ペア:

[(1, 20752130), (2, 10376065), (5, 4150426), (7, 2964590), (10, 2075213), (14, 1482295), (35, 592918), (70, 296459), (89, 233170), (178, 116585), (445, 46634), (623, 33310), (890, 23317), (1246, 16655), (3115, 6662), (3331, 6230)]