20110405

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{463}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 29666304

約数和(自身を除く): 9555899

約数列:

[1, 5, 7, 17, 35, 73, 85, 119, 365, 463, 511, 595, 1241, 2315, 2555, 3241, 6205, 7871, 8687, 16205, 33799, 39355, 43435, 55097, 168995, 236593, 275485, 574583, 1182965, 2872915, 4022081, 20110405]

約数ペア:

[(1, 20110405), (5, 4022081), (7, 2872915), (17, 1182965), (35, 574583), (73, 275485), (85, 236593), (119, 168995), (365, 55097), (463, 43435), (511, 39355), (595, 33799), (1241, 16205), (2315, 8687), (2555, 7871), (3241, 6205)]