20805941408

素因数分解:

$2^5\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1272379}}^1$

素因数の和:1272469

約数の個数: 48

約数和(自身を含む): 47454684480

約数和(自身を除く): 26648743072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 73, 112, 146, 224, 292, 511, 584, 1022, 1168, 2044, 2336, 4088, 8176, 16352, 1272379, 2544758, 5089516, 8906653, 10179032, 17813306, 20358064, 35626612, 40716128, 71253224, 92883667, 142506448, 185767334, 285012896, 371534668, 650185669, 743069336, 1300371338, 1486138672, 2600742676, 2972277344, 5201485352, 10402970704, 20805941408]

約数ペア:

[(1, 20805941408), (2, 10402970704), (4, 5201485352), (7, 2972277344), (8, 2600742676), (14, 1486138672), (16, 1300371338), (28, 743069336), (32, 650185669), (56, 371534668), (73, 285012896), (112, 185767334), (146, 142506448), (224, 92883667), (292, 71253224), (511, 40716128), (584, 35626612), (1022, 20358064), (1168, 17813306), (2044, 10179032), (2336, 8906653), (4088, 5089516), (8176, 2544758), (16352, 1272379)]