20884278320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{503}}^1\times {\mathrm{30529}}^1$

素因数の和:31062

約数の個数: 80

約数和(自身を含む): 51516077760

約数和(自身を除く): 30631799440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 503, 680, 1006, 1360, 2012, 2515, 4024, 5030, 8048, 8551, 10060, 17102, 20120, 30529, 34204, 40240, 42755, 61058, 68408, 85510, 122116, 136816, 152645, 171020, 244232, 305290, 342040, 488464, 518993, 610580, 684080, 1037986, 1221160, 2075972, 2442320, 2594965, 4151944, 5189930, 8303888, 10379860, 15356087, 20759720, 30712174, 41519440, 61424348, 76780435, 122848696, 153560870, 245697392, 261053479, 307121740, 522106958, 614243480, 1044213916, 1228486960, 1305267395, 2088427832, 2610534790, 4176855664, 5221069580, 10442139160, 20884278320]

約数ペア:

[(1, 20884278320), (2, 10442139160), (4, 5221069580), (5, 4176855664), (8, 2610534790), (10, 2088427832), (16, 1305267395), (17, 1228486960), (20, 1044213916), (34, 614243480), (40, 522106958), (68, 307121740), (80, 261053479), (85, 245697392), (136, 153560870), (170, 122848696), (272, 76780435), (340, 61424348), (503, 41519440), (680, 30712174), (1006, 20759720), (1360, 15356087), (2012, 10379860), (2515, 8303888), (4024, 5189930), (5030, 4151944), (8048, 2594965), (8551, 2442320), (10060, 2075972), (17102, 1221160), (20120, 1037986), (30529, 684080), (34204, 610580), (40240, 518993), (42755, 488464), (61058, 342040), (68408, 305290), (85510, 244232), (122116, 171020), (136816, 152645)]