20443869

素因数分解:

$3^2\times {\mathrm{29}}^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:174

約数の個数: 36

約数和(自身を含む): 31840276

約数和(自身を除く): 11396407

約数列:

[1, 3, 9, 29, 37, 73, 87, 111, 219, 261, 333, 657, 841, 1073, 2117, 2523, 2701, 3219, 6351, 7569, 8103, 9657, 19053, 24309, 31117, 61393, 78329, 93351, 184179, 234987, 280053, 552537, 704961, 2271541, 6814623, 20443869]

約数ペア:

[(1, 20443869), (3, 6814623), (9, 2271541), (29, 704961), (37, 552537), (73, 280053), (87, 234987), (111, 184179), (219, 93351), (261, 78329), (333, 61393), (657, 31117), (841, 24309), (1073, 19053), (2117, 9657), (2523, 8103), (2701, 7569), (3219, 6351)]