20228894

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:560

約数の個数: 32

約数和(自身を含む): 35997696

約数和(自身を除く): 15768802

約数列:

[1, 2, 7, 14, 47, 71, 94, 142, 329, 433, 497, 658, 866, 994, 3031, 3337, 6062, 6674, 20351, 23359, 30743, 40702, 46718, 61486, 142457, 215201, 284914, 430402, 1444921, 2889842, 10114447, 20228894]

約数ペア:

[(1, 20228894), (2, 10114447), (7, 2889842), (14, 1444921), (47, 430402), (71, 284914), (94, 215201), (142, 142457), (329, 61486), (433, 46718), (497, 40702), (658, 30743), (866, 23359), (994, 20351), (3031, 6674), (3337, 6062)]