20341439680

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1718027}}^1$

素因数の和:1718081

約数の個数: 56

約数和(自身を含む): 49747218768

約数和(自身を除く): 29405779088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 148, 160, 185, 296, 320, 370, 592, 740, 1184, 1480, 2368, 2960, 5920, 11840, 1718027, 3436054, 6872108, 8590135, 13744216, 17180270, 27488432, 34360540, 54976864, 63566999, 68721080, 109953728, 127133998, 137442160, 254267996, 274884320, 317834995, 508535992, 549768640, 635669990, 1017071984, 1271339980, 2034143968, 2542679960, 4068287936, 5085359920, 10170719840, 20341439680]

約数ペア:

[(1, 20341439680), (2, 10170719840), (4, 5085359920), (5, 4068287936), (8, 2542679960), (10, 2034143968), (16, 1271339980), (20, 1017071984), (32, 635669990), (37, 549768640), (40, 508535992), (64, 317834995), (74, 274884320), (80, 254267996), (148, 137442160), (160, 127133998), (185, 109953728), (296, 68721080), (320, 63566999), (370, 54976864), (592, 34360540), (740, 27488432), (1184, 17180270), (1480, 13744216), (2368, 8590135), (2960, 6872108), (5920, 3436054), (11840, 1718027)]