20520052

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{683}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 43666560

約数和(自身を除く): 23146508

約数列:

[1, 2, 4, 7, 14, 28, 29, 37, 58, 74, 116, 148, 203, 259, 406, 518, 683, 812, 1036, 1073, 1366, 2146, 2732, 4292, 4781, 7511, 9562, 15022, 19124, 19807, 25271, 30044, 39614, 50542, 79228, 101084, 138649, 176897, 277298, 353794, 554596, 707588, 732859, 1465718, 2931436, 5130013, 10260026, 20520052]

約数ペア:

[(1, 20520052), (2, 10260026), (4, 5130013), (7, 2931436), (14, 1465718), (28, 732859), (29, 707588), (37, 554596), (58, 353794), (74, 277298), (116, 176897), (148, 138649), (203, 101084), (259, 79228), (406, 50542), (518, 39614), (683, 30044), (812, 25271), (1036, 19807), (1073, 19124), (1366, 15022), (2146, 9562), (2732, 7511), (4292, 4781)]