20741056

素因数分解:

$2^6\times 7^1\times {\mathrm{67}}^1\times {\mathrm{691}}^1$

素因数の和:777

約数の個数: 56

約数和(自身を含む): 47808896

約数和(自身を除く): 27067840

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 67, 112, 134, 224, 268, 448, 469, 536, 691, 938, 1072, 1382, 1876, 2144, 2764, 3752, 4288, 4837, 5528, 7504, 9674, 11056, 15008, 19348, 22112, 30016, 38696, 44224, 46297, 77392, 92594, 154784, 185188, 309568, 324079, 370376, 648158, 740752, 1296316, 1481504, 2592632, 2963008, 5185264, 10370528, 20741056]

約数ペア:

[(1, 20741056), (2, 10370528), (4, 5185264), (7, 2963008), (8, 2592632), (14, 1481504), (16, 1296316), (28, 740752), (32, 648158), (56, 370376), (64, 324079), (67, 309568), (112, 185188), (134, 154784), (224, 92594), (268, 77392), (448, 46297), (469, 44224), (536, 38696), (691, 30016), (938, 22112), (1072, 19348), (1382, 15008), (1876, 11056), (2144, 9674), (2764, 7504), (3752, 5528), (4288, 4837)]