20213348

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{643}}^1$

素因数の和:947

約数の個数: 24

約数和(自身を含む): 36785280

約数和(自身を除く): 16571932

約数列:

[1, 2, 4, 29, 58, 116, 271, 542, 643, 1084, 1286, 2572, 7859, 15718, 18647, 31436, 37294, 74588, 174253, 348506, 697012, 5053337, 10106674, 20213348]

約数ペア:

[(1, 20213348), (2, 10106674), (4, 5053337), (29, 697012), (58, 348506), (116, 174253), (271, 74588), (542, 37294), (643, 31436), (1084, 18647), (1286, 15718), (2572, 7859)]