20186830864

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{311}}^1\times {\mathrm{139891}}^1$

素因数の和:140239

約数の個数: 40

約数和(自身を含む): 40591062720

約数和(自身を除く): 20404231856

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 311, 464, 622, 1244, 2488, 4976, 9019, 18038, 36076, 72152, 139891, 144304, 279782, 559564, 1119128, 2238256, 4056839, 8113678, 16227356, 32454712, 43506101, 64909424, 87012202, 174024404, 348048808, 696097616, 1261676929, 2523353858, 5046707716, 10093415432, 20186830864]

約数ペア:

[(1, 20186830864), (2, 10093415432), (4, 5046707716), (8, 2523353858), (16, 1261676929), (29, 696097616), (58, 348048808), (116, 174024404), (232, 87012202), (311, 64909424), (464, 43506101), (622, 32454712), (1244, 16227356), (2488, 8113678), (4976, 4056839), (9019, 2238256), (18038, 1119128), (36076, 559564), (72152, 279782), (139891, 144304)]