20773256

素因数分解:

$2^3\times 7^2\times {\mathrm{197}}^1\times {\mathrm{269}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 45708300

約数和(自身を除く): 24935044

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 197, 269, 392, 394, 538, 788, 1076, 1379, 1576, 1883, 2152, 2758, 3766, 5516, 7532, 9653, 11032, 13181, 15064, 19306, 26362, 38612, 52724, 52993, 77224, 105448, 105986, 211972, 370951, 423944, 741902, 1483804, 2596657, 2967608, 5193314, 10386628, 20773256]

約数ペア:

[(1, 20773256), (2, 10386628), (4, 5193314), (7, 2967608), (8, 2596657), (14, 1483804), (28, 741902), (49, 423944), (56, 370951), (98, 211972), (196, 105986), (197, 105448), (269, 77224), (392, 52993), (394, 52724), (538, 38612), (788, 26362), (1076, 19306), (1379, 15064), (1576, 13181), (1883, 11032), (2152, 9653), (2758, 7532), (3766, 5516)]