20854722

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{683}}^1\times {\mathrm{727}}^1$

素因数の和:1422

約数の個数: 32

約数和(自身を含む): 47803392

約数和(自身を除く): 26948670

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 683, 727, 1366, 1454, 2049, 2181, 4098, 4362, 4781, 5089, 9562, 10178, 14343, 15267, 28686, 30534, 496541, 993082, 1489623, 2979246, 3475787, 6951574, 10427361, 20854722]

約数ペア:

[(1, 20854722), (2, 10427361), (3, 6951574), (6, 3475787), (7, 2979246), (14, 1489623), (21, 993082), (42, 496541), (683, 30534), (727, 28686), (1366, 15267), (1454, 14343), (2049, 10178), (2181, 9562), (4098, 5089), (4362, 4781)]