2120402288

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{1215827}}^1$

素因数の和:1215944

約数の個数: 20

約数和(自身を含む): 4145973480

約数和(自身を除く): 2025571192

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 1215827, 2431654, 4863308, 9726616, 19453232, 132525143, 265050286, 530100572, 1060201144, 2120402288]

約数ペア:

[(1, 2120402288), (2, 1060201144), (4, 530100572), (8, 265050286), (16, 132525143), (109, 19453232), (218, 9726616), (436, 4863308), (872, 2431654), (1744, 1215827)]