20788952

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{271}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 40212480

約数和(自身を除く): 19423528

約数列:

[1, 2, 4, 8, 43, 86, 172, 223, 271, 344, 446, 542, 892, 1084, 1784, 2168, 9589, 11653, 19178, 23306, 38356, 46612, 60433, 76712, 93224, 120866, 241732, 483464, 2598619, 5197238, 10394476, 20788952]

約数ペア:

[(1, 20788952), (2, 10394476), (4, 5197238), (8, 2598619), (43, 483464), (86, 241732), (172, 120866), (223, 93224), (271, 76712), (344, 60433), (446, 46612), (542, 38356), (892, 23306), (1084, 19178), (1784, 11653), (2168, 9589)]