20445376

素因数分解:

$2^6\times 7^1\times {\mathrm{47}}^1\times {\mathrm{971}}^1$

素因数の和:1037

約数の個数: 56

約数和(自身を含む): 47402496

約数和(自身を除く): 26957120

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 64, 94, 112, 188, 224, 329, 376, 448, 658, 752, 971, 1316, 1504, 1942, 2632, 3008, 3884, 5264, 6797, 7768, 10528, 13594, 15536, 21056, 27188, 31072, 45637, 54376, 62144, 91274, 108752, 182548, 217504, 319459, 365096, 435008, 638918, 730192, 1277836, 1460384, 2555672, 2920768, 5111344, 10222688, 20445376]

約数ペア:

[(1, 20445376), (2, 10222688), (4, 5111344), (7, 2920768), (8, 2555672), (14, 1460384), (16, 1277836), (28, 730192), (32, 638918), (47, 435008), (56, 365096), (64, 319459), (94, 217504), (112, 182548), (188, 108752), (224, 91274), (329, 62144), (376, 54376), (448, 45637), (658, 31072), (752, 27188), (971, 21056), (1316, 15536), (1504, 13594), (1942, 10528), (2632, 7768), (3008, 6797), (3884, 5264)]