16939720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{599}}^1$

素因数の和:718

約数の個数: 64

約数和(自身を含む): 44064000

約数和(自身を除く): 27124280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 404, 505, 599, 707, 808, 1010, 1198, 1414, 2020, 2396, 2828, 2995, 3535, 4040, 4193, 4792, 5656, 5990, 7070, 8386, 11980, 14140, 16772, 20965, 23960, 28280, 33544, 41930, 60499, 83860, 120998, 167720, 241996, 302495, 423493, 483992, 604990, 846986, 1209980, 1693972, 2117465, 2419960, 3387944, 4234930, 8469860, 16939720]

約数ペア:

[(1, 16939720), (2, 8469860), (4, 4234930), (5, 3387944), (7, 2419960), (8, 2117465), (10, 1693972), (14, 1209980), (20, 846986), (28, 604990), (35, 483992), (40, 423493), (56, 302495), (70, 241996), (101, 167720), (140, 120998), (202, 83860), (280, 60499), (404, 41930), (505, 33544), (599, 28280), (707, 23960), (808, 20965), (1010, 16772), (1198, 14140), (1414, 11980), (2020, 8386), (2396, 7070), (2828, 5990), (2995, 5656), (3535, 4792), (4040, 4193)]