20445824

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1201}}^1$

素因数の和:1241

約数の個数: 64

約数和(自身を含む): 49041600

約数和(自身を除く): 28595776

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 266, 304, 448, 532, 608, 896, 1064, 1201, 1216, 2128, 2402, 2432, 4256, 4804, 8407, 8512, 9608, 16814, 17024, 19216, 22819, 33628, 38432, 45638, 67256, 76864, 91276, 134512, 153728, 159733, 182552, 269024, 319466, 365104, 538048, 638932, 730208, 1076096, 1277864, 1460416, 2555728, 2920832, 5111456, 10222912, 20445824]

約数ペア:

[(1, 20445824), (2, 10222912), (4, 5111456), (7, 2920832), (8, 2555728), (14, 1460416), (16, 1277864), (19, 1076096), (28, 730208), (32, 638932), (38, 538048), (56, 365104), (64, 319466), (76, 269024), (112, 182552), (128, 159733), (133, 153728), (152, 134512), (224, 91276), (266, 76864), (304, 67256), (448, 45638), (532, 38432), (608, 33628), (896, 22819), (1064, 19216), (1201, 17024), (1216, 16814), (2128, 9608), (2402, 8512), (2432, 8407), (4256, 4804)]