20950048

素因数分解:

$2^5\times 7^2\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:486

約数の個数: 72

約数和(自身を含む): 49641984

約数和(自身を除く): 28691936

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 98, 112, 124, 196, 217, 224, 248, 392, 431, 434, 496, 784, 862, 868, 992, 1519, 1568, 1724, 1736, 3017, 3038, 3448, 3472, 6034, 6076, 6896, 6944, 12068, 12152, 13361, 13792, 21119, 24136, 24304, 26722, 42238, 48272, 48608, 53444, 84476, 93527, 96544, 106888, 168952, 187054, 213776, 337904, 374108, 427552, 654689, 675808, 748216, 1309378, 1496432, 2618756, 2992864, 5237512, 10475024, 20950048]

約数ペア:

[(1, 20950048), (2, 10475024), (4, 5237512), (7, 2992864), (8, 2618756), (14, 1496432), (16, 1309378), (28, 748216), (31, 675808), (32, 654689), (49, 427552), (56, 374108), (62, 337904), (98, 213776), (112, 187054), (124, 168952), (196, 106888), (217, 96544), (224, 93527), (248, 84476), (392, 53444), (431, 48608), (434, 48272), (496, 42238), (784, 26722), (862, 24304), (868, 24136), (992, 21119), (1519, 13792), (1568, 13361), (1724, 12152), (1736, 12068), (3017, 6944), (3038, 6896), (3448, 6076), (3472, 6034)]