20801936

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{56527}}^1$

素因数の和:56558

約数の個数: 20

約数和(自身を含む): 42056832

約数和(自身を除く): 21254896

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 56527, 113054, 226108, 452216, 904432, 1300121, 2600242, 5200484, 10400968, 20801936]

約数ペア:

[(1, 20801936), (2, 10400968), (4, 5200484), (8, 2600242), (16, 1300121), (23, 904432), (46, 452216), (92, 226108), (184, 113054), (368, 56527)]