20065068

素因数分解:

$2^2\times 3^2\times {\mathrm{107}}^1\times {\mathrm{5209}}^1$

素因数の和:5326

約数の個数: 36

約数和(自身を含む): 51203880

約数和(自身を除く): 31138812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 107, 214, 321, 428, 642, 963, 1284, 1926, 3852, 5209, 10418, 15627, 20836, 31254, 46881, 62508, 93762, 187524, 557363, 1114726, 1672089, 2229452, 3344178, 5016267, 6688356, 10032534, 20065068]

約数ペア:

[(1, 20065068), (2, 10032534), (3, 6688356), (4, 5016267), (6, 3344178), (9, 2229452), (12, 1672089), (18, 1114726), (36, 557363), (107, 187524), (214, 93762), (321, 62508), (428, 46881), (642, 31254), (963, 20836), (1284, 15627), (1926, 10418), (3852, 5209)]