20963912

素因数分解:

$2^3\times {\mathrm{653}}^1\times {\mathrm{4013}}^1$

素因数の和:4672

約数の個数: 16

約数和(自身を含む): 39377340

約数和(自身を除く): 18413428

約数列:

[1, 2, 4, 8, 653, 1306, 2612, 4013, 5224, 8026, 16052, 32104, 2620489, 5240978, 10481956, 20963912]

約数ペア:

[(1, 20963912), (2, 10481956), (4, 5240978), (8, 2620489), (653, 32104), (1306, 16052), (2612, 8026), (4013, 5224)]