20356952

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4721}}^1$

素因数の和:4752

約数の個数: 48

約数和(自身を含む): 48447720

約数和(自身を除く): 28090768

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 4721, 9442, 18884, 33047, 37768, 51931, 66094, 103862, 132188, 207724, 231329, 264376, 363517, 415448, 462658, 727034, 925316, 1454068, 1850632, 2544619, 2908136, 5089238, 10178476, 20356952]

約数ペア:

[(1, 20356952), (2, 10178476), (4, 5089238), (7, 2908136), (8, 2544619), (11, 1850632), (14, 1454068), (22, 925316), (28, 727034), (44, 462658), (49, 415448), (56, 363517), (77, 264376), (88, 231329), (98, 207724), (154, 132188), (196, 103862), (308, 66094), (392, 51931), (539, 37768), (616, 33047), (1078, 18884), (2156, 9442), (4312, 4721)]