20631576

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{541}}^1$

素因数の和:784

約数の個数: 64

約数和(自身を含む): 59316480

約数和(自身を除く): 38684904

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 227, 454, 541, 681, 908, 1082, 1362, 1589, 1623, 1816, 2164, 2724, 3178, 3246, 3787, 4328, 4767, 5448, 6356, 6492, 7574, 9534, 11361, 12712, 12984, 15148, 19068, 22722, 30296, 38136, 45444, 90888, 122807, 245614, 368421, 491228, 736842, 859649, 982456, 1473684, 1719298, 2578947, 2947368, 3438596, 5157894, 6877192, 10315788, 20631576]

約数ペア:

[(1, 20631576), (2, 10315788), (3, 6877192), (4, 5157894), (6, 3438596), (7, 2947368), (8, 2578947), (12, 1719298), (14, 1473684), (21, 982456), (24, 859649), (28, 736842), (42, 491228), (56, 368421), (84, 245614), (168, 122807), (227, 90888), (454, 45444), (541, 38136), (681, 30296), (908, 22722), (1082, 19068), (1362, 15148), (1589, 12984), (1623, 12712), (1816, 11361), (2164, 9534), (2724, 7574), (3178, 6492), (3246, 6356), (3787, 5448), (4328, 4767)]