20899648

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4241}}^1$

素因数の和:4271

約数の個数: 56

約数和(自身を含む): 51718464

約数和(自身を除く): 30818816

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 154, 176, 224, 308, 352, 448, 616, 704, 1232, 2464, 4241, 4928, 8482, 16964, 29687, 33928, 46651, 59374, 67856, 93302, 118748, 135712, 186604, 237496, 271424, 326557, 373208, 474992, 653114, 746416, 949984, 1306228, 1492832, 1899968, 2612456, 2985664, 5224912, 10449824, 20899648]

約数ペア:

[(1, 20899648), (2, 10449824), (4, 5224912), (7, 2985664), (8, 2612456), (11, 1899968), (14, 1492832), (16, 1306228), (22, 949984), (28, 746416), (32, 653114), (44, 474992), (56, 373208), (64, 326557), (77, 271424), (88, 237496), (112, 186604), (154, 135712), (176, 118748), (224, 93302), (308, 67856), (352, 59374), (448, 46651), (616, 33928), (704, 29687), (1232, 16964), (2464, 8482), (4241, 4928)]