2020804960

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{742943}}^1$

素因数の和:742975

約数の個数: 48

約数和(自身を含む): 5054990976

約数和(自身を除く): 3034186016

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 742943, 1485886, 2971772, 3714715, 5943544, 7429430, 11887088, 12630031, 14858860, 23774176, 25260062, 29717720, 50520124, 59435440, 63150155, 101040248, 118870880, 126300310, 202080496, 252600620, 404160992, 505201240, 1010402480, 2020804960]

約数ペア:

[(1, 2020804960), (2, 1010402480), (4, 505201240), (5, 404160992), (8, 252600620), (10, 202080496), (16, 126300310), (17, 118870880), (20, 101040248), (32, 63150155), (34, 59435440), (40, 50520124), (68, 29717720), (80, 25260062), (85, 23774176), (136, 14858860), (160, 12630031), (170, 11887088), (272, 7429430), (340, 5943544), (544, 3714715), (680, 2971772), (1360, 1485886), (2720, 742943)]