20419784

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{33149}}^1$

素因数の和:33173

約数の個数: 32

約数和(自身を含む): 47736000

約数和(自身を除く): 27316216

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 33149, 66298, 132596, 232043, 265192, 364639, 464086, 729278, 928172, 1458556, 1856344, 2552473, 2917112, 5104946, 10209892, 20419784]

約数ペア:

[(1, 20419784), (2, 10209892), (4, 5104946), (7, 2917112), (8, 2552473), (11, 1856344), (14, 1458556), (22, 928172), (28, 729278), (44, 464086), (56, 364639), (77, 265192), (88, 232043), (154, 132596), (308, 66298), (616, 33149)]