20569145480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{337}}^1\times {\mathrm{9029}}^1$

素因数の和:9403

約数の個数: 96

約数和(自身を含む): 50268745800

約数和(自身を除く): 29699600320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 337, 338, 520, 674, 676, 845, 1348, 1352, 1685, 1690, 2696, 3370, 3380, 4381, 6740, 6760, 8762, 9029, 13480, 17524, 18058, 21905, 35048, 36116, 43810, 45145, 56953, 72232, 87620, 90290, 113906, 117377, 175240, 180580, 227812, 234754, 284765, 361160, 455624, 469508, 569530, 586885, 939016, 1139060, 1173770, 1525901, 2278120, 2347540, 3042773, 3051802, 4695080, 6085546, 6103604, 7629505, 12171092, 12207208, 15213865, 15259010, 24342184, 30427730, 30518020, 39556049, 60855460, 61036040, 79112098, 121710920, 158224196, 197780245, 316448392, 395560490, 514228637, 791120980, 1028457274, 1582241960, 2056914548, 2571143185, 4113829096, 5142286370, 10284572740, 20569145480]

約数ペア:

[(1, 20569145480), (2, 10284572740), (4, 5142286370), (5, 4113829096), (8, 2571143185), (10, 2056914548), (13, 1582241960), (20, 1028457274), (26, 791120980), (40, 514228637), (52, 395560490), (65, 316448392), (104, 197780245), (130, 158224196), (169, 121710920), (260, 79112098), (337, 61036040), (338, 60855460), (520, 39556049), (674, 30518020), (676, 30427730), (845, 24342184), (1348, 15259010), (1352, 15213865), (1685, 12207208), (1690, 12171092), (2696, 7629505), (3370, 6103604), (3380, 6085546), (4381, 4695080), (6740, 3051802), (6760, 3042773), (8762, 2347540), (9029, 2278120), (13480, 1525901), (17524, 1173770), (18058, 1139060), (21905, 939016), (35048, 586885), (36116, 569530), (43810, 469508), (45145, 455624), (56953, 361160), (72232, 284765), (87620, 234754), (90290, 227812), (113906, 180580), (117377, 175240)]