20954496

素因数分解:

$2^7\times 3^1\times {\mathrm{197}}^1\times {\mathrm{277}}^1$

素因数の和:491

約数の個数: 64

約数和(自身を含む): 56144880

約数和(自身を除く): 35190384

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 197, 277, 384, 394, 554, 591, 788, 831, 1108, 1182, 1576, 1662, 2216, 2364, 3152, 3324, 4432, 4728, 6304, 6648, 8864, 9456, 12608, 13296, 17728, 18912, 25216, 26592, 35456, 37824, 53184, 54569, 75648, 106368, 109138, 163707, 218276, 327414, 436552, 654828, 873104, 1309656, 1746208, 2619312, 3492416, 5238624, 6984832, 10477248, 20954496]

約数ペア:

[(1, 20954496), (2, 10477248), (3, 6984832), (4, 5238624), (6, 3492416), (8, 2619312), (12, 1746208), (16, 1309656), (24, 873104), (32, 654828), (48, 436552), (64, 327414), (96, 218276), (128, 163707), (192, 109138), (197, 106368), (277, 75648), (384, 54569), (394, 53184), (554, 37824), (591, 35456), (788, 26592), (831, 25216), (1108, 18912), (1182, 17728), (1576, 13296), (1662, 12608), (2216, 9456), (2364, 8864), (3152, 6648), (3324, 6304), (4432, 4728)]