20853776

素因数分解:

$2^4\times {\mathrm{643}}^1\times {\mathrm{2027}}^1$

素因数の和:2678

約数の個数: 20

約数和(自身を含む): 40486992

約数和(自身を除く): 19633216

約数列:

[1, 2, 4, 8, 16, 643, 1286, 2027, 2572, 4054, 5144, 8108, 10288, 16216, 32432, 1303361, 2606722, 5213444, 10426888, 20853776]

約数ペア:

[(1, 20853776), (2, 10426888), (4, 5213444), (8, 2606722), (16, 1303361), (643, 32432), (1286, 16216), (2027, 10288), (2572, 8108), (4054, 5144)]