20212892

素因数分解:

$2^2\times 7^2\times {\mathrm{281}}^1\times {\mathrm{367}}^1$

素因数の和:666

約数の個数: 36

約数和(自身を含む): 41406624

約数和(自身を除く): 21193732

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 281, 367, 562, 734, 1124, 1468, 1967, 2569, 3934, 5138, 7868, 10276, 13769, 17983, 27538, 35966, 55076, 71932, 103127, 206254, 412508, 721889, 1443778, 2887556, 5053223, 10106446, 20212892]

約数ペア:

[(1, 20212892), (2, 10106446), (4, 5053223), (7, 2887556), (14, 1443778), (28, 721889), (49, 412508), (98, 206254), (196, 103127), (281, 71932), (367, 55076), (562, 35966), (734, 27538), (1124, 17983), (1468, 13769), (1967, 10276), (2569, 7868), (3934, 5138)]